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     new 7164dd09e6 [docs](docs) Rename Title and URL of String Functions 
(#22711)
7164dd09e6 is described below

commit 7164dd09e682b9c9dab0db3dddb631571af5eaaf
Author: KassieZ <139741991+kass...@users.noreply.github.com>
AuthorDate: Wed Aug 9 13:12:26 2023 +0800

    [docs](docs) Rename Title and URL of String Functions (#22711)
---
 ...absent.md => append-trailing-char-if-absent.md} |  2 +-
 .../sql-functions/string-functions/ascii.md        |  2 +-
 .../{bit_length.md => bit-length.md}               |  2 +-
 .../{char_length.md => char-length.md}             |  2 +-
 .../sql-functions/string-functions/char.md         |  2 +-
 .../{concat_ws.md => concat-ws.md}                 |  2 +-
 .../sql-functions/string-functions/concat.md       |  2 +-
 .../{convert_to.md => convert-to.md}               |  2 +-
 .../sql-functions/string-functions/elt.md          |  2 +-
 .../{ends_with.md => ends-with.md}                 |  2 +-
 .../sql-functions/string-functions/esquery.md      |  2 +-
 ...t_url_parameter.md => extract-url-parameter.md} |  2 +-
 .../sql-functions/string-functions/field.md        |  2 +-
 .../{find_in_set.md => find-in-set.md}             |  2 +-
 .../{from_base64.md => from-base64.md}             |  2 +-
 .../sql-functions/string-functions/hex.md          |  2 +-
 .../sql-functions/string-functions/initcap.md      |  2 +-
 .../sql-functions/string-functions/instr.md        |  2 +-
 .../sql-functions/string-functions/lcase.md        |  2 +-
 .../sql-functions/string-functions/left.md         |  2 +-
 .../sql-functions/string-functions/length.md       |  2 +-
 .../sql-functions/string-functions/like/like.md    |  2 +-
 .../like/{not_like.md => not-like.md}              |  2 +-
 .../sql-functions/string-functions/locate.md       |  2 +-
 .../sql-functions/string-functions/lower.md        |  2 +-
 .../sql-functions/string-functions/lpad.md         |  2 +-
 .../sql-functions/string-functions/ltrim.md        |  2 +-
 .../mask/{mask_first_n.md => mask-first-n.md}      |  2 +-
 .../mask/{mask_last_n.md => mask-last-n.md}        |  2 +-
 .../sql-functions/string-functions/mask/mask.md    |  2 +-
 .../{money_format.md => money-format.md}           |  2 +-
 .../{not_null_or_empty.md => not-null-or-empty.md} |  2 +-
 .../{null_or_empty.md => null-or-empty.md}         |  2 +-
 .../{parse_url.md => parse-url.md}                 |  2 +-
 .../regexp/{not_regexp.md => not-regexp.md}        |  2 +-
 ...regexp_extract_all.md => regexp-extract-all.md} |  2 +-
 .../{regexp_extract.md => regexp-extract.md}       |  2 +-
 ...regexp_replace_one.md => regexp-replace-one.md} |  2 +-
 .../{regexp_replace.md => regexp-replace.md}       |  2 +-
 .../string-functions/regexp/regexp.md              |  2 +-
 .../sql-functions/string-functions/repeat.md       |  2 +-
 .../sql-functions/string-functions/replace.md      |  2 +-
 .../sql-functions/string-functions/reverse.md      |  2 +-
 .../sql-functions/string-functions/right.md        |  2 +-
 .../sql-functions/string-functions/rpad.md         |  2 +-
 .../sql-functions/string-functions/rtrim.md        |  2 +-
 .../{multi_match_any.md => multi-match-any.md}     |  2 +-
 ..._positions.md => multi-search-all-positions.md} |  2 +-
 .../sql-functions/string-functions/sleep.md        |  2 +-
 .../sql-functions/string-functions/space.md        |  2 +-
 .../{split_by_string.md => split-by-string.md}     |  2 +-
 .../{split_part.md => split-part.md}               |  2 +-
 .../{starts_with.md => starts-with.md}             |  2 +-
 .../sql-functions/string-functions/strleft.md      |  2 +-
 .../sql-functions/string-functions/strright.md     |  2 +-
 .../{sub_replace.md => sub-replace.md}             |  2 +-
 .../sql-functions/string-functions/substr.md       |  2 +-
 .../{substring_index.md => substring-index.md}     |  2 +-
 .../sql-functions/string-functions/substring.md    |  2 +-
 .../{to_base64.md => to-base64.md}                 |  2 +-
 .../sql-functions/string-functions/trim.md         |  2 +-
 .../sql-functions/string-functions/ucase.md        |  2 +-
 .../sql-functions/string-functions/unhex.md        |  2 +-
 .../sql-functions/string-functions/upper.md        |  2 +-
 .../sql-functions/string-functions/uuid.md         |  2 +-
 docs/sidebars.json                                 | 72 +++++++++++++---------
 ...absent.md => append-trailing-char-if-absent.md} |  2 +-
 .../sql-functions/string-functions/ascii.md        |  2 +-
 .../{bit_length.md => bit-length.md}               |  2 +-
 .../{char_length.md => char-length.md}             |  2 +-
 .../sql-functions/string-functions/char.md         |  2 +-
 .../{concat_ws.md => concat-ws.md}                 |  2 +-
 .../sql-functions/string-functions/concat.md       |  2 +-
 .../{convert_to.md => convert-to.md}               |  2 +-
 .../sql-functions/string-functions/elt.md          |  2 +-
 .../{ends_with.md => ends-with.md}                 |  2 +-
 .../sql-functions/string-functions/esquery.md      |  2 +-
 ...t_url_parameter.md => extract-url-parameter.md} |  2 +-
 .../sql-functions/string-functions/field.md        |  2 +-
 .../{find_in_set.md => find-in-set.md}             |  2 +-
 .../{from_base64.md => from-base64.md}             |  2 +-
 .../sql-functions/string-functions/hex.md          |  2 +-
 .../sql-functions/string-functions/initcap.md      |  2 +-
 .../sql-functions/string-functions/instr.md        |  2 +-
 .../sql-functions/string-functions/lcase.md        |  2 +-
 .../sql-functions/string-functions/left.md         |  2 +-
 .../sql-functions/string-functions/length.md       |  2 +-
 .../sql-functions/string-functions/like/like.md    |  2 +-
 .../like/{not_like.md => not-like.md}              |  2 +-
 .../sql-functions/string-functions/locate.md       |  2 +-
 .../sql-functions/string-functions/lower.md        |  2 +-
 .../sql-functions/string-functions/lpad.md         |  2 +-
 .../sql-functions/string-functions/ltrim.md        |  2 +-
 .../mask/{mask_first_n.md => mask-first-n.md}      |  2 +-
 .../mask/{mask_last_n.md => mask-last-n.md}        |  2 +-
 .../sql-functions/string-functions/mask/mask.md    |  2 +-
 .../{money_format.md => money-format.md}           |  2 +-
 .../{not_null_or_empty.md => not-null-or-empty.md} |  2 +-
 .../{null_or_empty.md => null-or-empty.md}         |  2 +-
 .../{parse_url.md => parse-url.md}                 |  2 +-
 .../regexp/{not_regexp.md => not-regexp.md}        |  2 +-
 ...regexp_extract_all.md => regexp-extract-all.md} |  2 +-
 .../{regexp_extract.md => regexp-extract.md}       |  2 +-
 ...regexp_replace_one.md => regexp-replace-one.md} |  2 +-
 .../{regexp_replace.md => regexp-replace.md}       |  2 +-
 .../string-functions/regexp/regexp.md              |  2 +-
 .../sql-functions/string-functions/repeat.md       |  2 +-
 .../sql-functions/string-functions/replace.md      |  2 +-
 .../sql-functions/string-functions/reverse.md      |  2 +-
 .../sql-functions/string-functions/right.md        |  2 +-
 .../sql-functions/string-functions/rpad.md         |  2 +-
 .../sql-functions/string-functions/rtrim.md        |  2 +-
 .../{multi_match_any.md => multi-match-any.md}     |  2 +-
 ..._positions.md => multi-search-all-positions.md} |  2 +-
 .../sql-functions/string-functions/sleep.md        |  2 +-
 .../sql-functions/string-functions/space.md        |  2 +-
 .../{split_by_string.md => split-by-string.md}     |  2 +-
 .../{split_part.md => split-part.md}               |  2 +-
 .../{starts_with.md => starts-with.md}             |  2 +-
 .../sql-functions/string-functions/strleft.md      |  2 +-
 .../sql-functions/string-functions/strright.md     |  2 +-
 .../{sub_replace.md => sub-replace.md}             |  2 +-
 .../sql-functions/string-functions/substr.md       |  2 +-
 .../{substring_index.md => substring-index.md}     |  2 +-
 .../sql-functions/string-functions/substring.md    |  2 +-
 .../{to_base64.md => to-base64.md}                 |  2 +-
 .../sql-functions/string-functions/trim.md         |  2 +-
 .../sql-functions/string-functions/ucase.md        |  2 +-
 .../sql-functions/string-functions/unhex.md        |  2 +-
 .../sql-functions/string-functions/upper.md        |  2 +-
 .../sql-functions/string-functions/uuid.md         |  2 +-
 131 files changed, 172 insertions(+), 160 deletions(-)

diff --git 
a/docs/en/docs/sql-manual/sql-functions/string-functions/append_trailing_char_if_absent.md
 
b/docs/en/docs/sql-manual/sql-functions/string-functions/append-trailing-char-if-absent.md
similarity index 97%
rename from 
docs/en/docs/sql-manual/sql-functions/string-functions/append_trailing_char_if_absent.md
rename to 
docs/en/docs/sql-manual/sql-functions/string-functions/append-trailing-char-if-absent.md
index b97b503cb2..4a4c13ece4 100644
--- 
a/docs/en/docs/sql-manual/sql-functions/string-functions/append_trailing_char_if_absent.md
+++ 
b/docs/en/docs/sql-manual/sql-functions/string-functions/append-trailing-char-if-absent.md
@@ -1,6 +1,6 @@
 ---
 {
-    "title": "append_trailing_char_if_absent",
+    "title": "APPEND_TRAILING_CHAR_IF_ABSENT",
     "language": "en"
 }
 ---
diff --git a/docs/en/docs/sql-manual/sql-functions/string-functions/ascii.md 
b/docs/en/docs/sql-manual/sql-functions/string-functions/ascii.md
index 29e3dbc095..fd9b0016f1 100644
--- a/docs/en/docs/sql-manual/sql-functions/string-functions/ascii.md
+++ b/docs/en/docs/sql-manual/sql-functions/string-functions/ascii.md
@@ -1,6 +1,6 @@
 ---
 {
-    "title": "ascii",
+    "title": "ASCII",
     "language": "en"
 }
 ---
diff --git 
a/docs/en/docs/sql-manual/sql-functions/string-functions/bit_length.md 
b/docs/en/docs/sql-manual/sql-functions/string-functions/bit-length.md
similarity index 97%
rename from docs/en/docs/sql-manual/sql-functions/string-functions/bit_length.md
rename to docs/en/docs/sql-manual/sql-functions/string-functions/bit-length.md
index 861a6b2259..d9ccfd4a85 100644
--- a/docs/en/docs/sql-manual/sql-functions/string-functions/bit_length.md
+++ b/docs/en/docs/sql-manual/sql-functions/string-functions/bit-length.md
@@ -1,6 +1,6 @@
 ---
 {
-    "title": "bit_length",
+    "title": "BIT_LENGTH",
     "language": "en"
 }
 ---
diff --git 
a/docs/en/docs/sql-manual/sql-functions/string-functions/char_length.md 
b/docs/en/docs/sql-manual/sql-functions/string-functions/char-length.md
similarity index 98%
rename from 
docs/en/docs/sql-manual/sql-functions/string-functions/char_length.md
rename to docs/en/docs/sql-manual/sql-functions/string-functions/char-length.md
index 924466eeeb..8b90b271f1 100644
--- a/docs/en/docs/sql-manual/sql-functions/string-functions/char_length.md
+++ b/docs/en/docs/sql-manual/sql-functions/string-functions/char-length.md
@@ -1,6 +1,6 @@
 ---
 {
-    "title": "char_length",
+    "title": "CHAR_LENGTH",
     "language": "en"
 }
 ---
diff --git a/docs/en/docs/sql-manual/sql-functions/string-functions/char.md 
b/docs/en/docs/sql-manual/sql-functions/string-functions/char.md
index 71e574077c..5ec2fb86a3 100644
--- a/docs/en/docs/sql-manual/sql-functions/string-functions/char.md
+++ b/docs/en/docs/sql-manual/sql-functions/string-functions/char.md
@@ -1,6 +1,6 @@
 ---
 {
-    "title": "char",
+    "title": "CHAR",
     "language": "en"
 }
 ---
diff --git 
a/docs/en/docs/sql-manual/sql-functions/string-functions/concat_ws.md 
b/docs/en/docs/sql-manual/sql-functions/string-functions/concat-ws.md
similarity index 99%
rename from docs/en/docs/sql-manual/sql-functions/string-functions/concat_ws.md
rename to docs/en/docs/sql-manual/sql-functions/string-functions/concat-ws.md
index 8e0b03838f..657b892e3c 100644
--- a/docs/en/docs/sql-manual/sql-functions/string-functions/concat_ws.md
+++ b/docs/en/docs/sql-manual/sql-functions/string-functions/concat-ws.md
@@ -1,6 +1,6 @@
 ---
 {
-    "title": "concat_ws",
+    "title": "CONCAT_WS",
     "language": "en"
 }
 ---
diff --git a/docs/en/docs/sql-manual/sql-functions/string-functions/concat.md 
b/docs/en/docs/sql-manual/sql-functions/string-functions/concat.md
index 9799296136..7d0e54299e 100644
--- a/docs/en/docs/sql-manual/sql-functions/string-functions/concat.md
+++ b/docs/en/docs/sql-manual/sql-functions/string-functions/concat.md
@@ -1,6 +1,6 @@
 ---
 {
-    "title": "concat",
+    "title": "CONCAT",
     "language": "en"
 }
 ---
diff --git 
a/docs/en/docs/sql-manual/sql-functions/string-functions/convert_to.md 
b/docs/en/docs/sql-manual/sql-functions/string-functions/convert-to.md
similarity index 98%
rename from docs/en/docs/sql-manual/sql-functions/string-functions/convert_to.md
rename to docs/en/docs/sql-manual/sql-functions/string-functions/convert-to.md
index abf9d6913f..fc3c4b8cd5 100644
--- a/docs/en/docs/sql-manual/sql-functions/string-functions/convert_to.md
+++ b/docs/en/docs/sql-manual/sql-functions/string-functions/convert-to.md
@@ -1,6 +1,6 @@
 ---
 {
-    "title": "convert_to",
+    "title": "CONVERT_TO",
     "language": "en"
 }
 ---
diff --git a/docs/en/docs/sql-manual/sql-functions/string-functions/elt.md 
b/docs/en/docs/sql-manual/sql-functions/string-functions/elt.md
index eb5cec241b..34ae915c02 100644
--- a/docs/en/docs/sql-manual/sql-functions/string-functions/elt.md
+++ b/docs/en/docs/sql-manual/sql-functions/string-functions/elt.md
@@ -1,6 +1,6 @@
 ---
 {
-    "title": "elt",
+    "title": "ELT",
     "language": "en"
 }
 ---
diff --git 
a/docs/en/docs/sql-manual/sql-functions/string-functions/ends_with.md 
b/docs/en/docs/sql-manual/sql-functions/string-functions/ends-with.md
similarity index 98%
rename from docs/en/docs/sql-manual/sql-functions/string-functions/ends_with.md
rename to docs/en/docs/sql-manual/sql-functions/string-functions/ends-with.md
index b03e51d041..2ebf8e0945 100644
--- a/docs/en/docs/sql-manual/sql-functions/string-functions/ends_with.md
+++ b/docs/en/docs/sql-manual/sql-functions/string-functions/ends-with.md
@@ -1,6 +1,6 @@
 ---
 {
-    "title": "ends_with",
+    "title": "ENDS_WITH",
     "language": "en"
 }
 ---
diff --git a/docs/en/docs/sql-manual/sql-functions/string-functions/esquery.md 
b/docs/en/docs/sql-manual/sql-functions/string-functions/esquery.md
index 279de22991..ecf96f56f9 100644
--- a/docs/en/docs/sql-manual/sql-functions/string-functions/esquery.md
+++ b/docs/en/docs/sql-manual/sql-functions/string-functions/esquery.md
@@ -1,6 +1,6 @@
 ---
 {
-    "title": "esquery",
+    "title": "ESQUERY",
     "language": "en"
 }
 ---
diff --git 
a/docs/en/docs/sql-manual/sql-functions/string-functions/extract_url_parameter.md
 
b/docs/en/docs/sql-manual/sql-functions/string-functions/extract-url-parameter.md
similarity index 98%
rename from 
docs/en/docs/sql-manual/sql-functions/string-functions/extract_url_parameter.md
rename to 
docs/en/docs/sql-manual/sql-functions/string-functions/extract-url-parameter.md
index 196f20e9d3..31fae29fb5 100644
--- 
a/docs/en/docs/sql-manual/sql-functions/string-functions/extract_url_parameter.md
+++ 
b/docs/en/docs/sql-manual/sql-functions/string-functions/extract-url-parameter.md
@@ -1,6 +1,6 @@
 ---
 {
-"title": "extract_url_parameter",
+"title": "EXTRACT_URL_PARAMETER",
 "language": "en"
 }
 ---
diff --git a/docs/en/docs/sql-manual/sql-functions/string-functions/field.md 
b/docs/en/docs/sql-manual/sql-functions/string-functions/field.md
index a907df5383..0b66032af3 100644
--- a/docs/en/docs/sql-manual/sql-functions/string-functions/field.md
+++ b/docs/en/docs/sql-manual/sql-functions/string-functions/field.md
@@ -1,6 +1,6 @@
 ---
 {
-    "title": "field",
+    "title": "FIELD",
     "language": "en"
 }
 ---
diff --git 
a/docs/en/docs/sql-manual/sql-functions/string-functions/find_in_set.md 
b/docs/en/docs/sql-manual/sql-functions/string-functions/find-in-set.md
similarity index 98%
rename from 
docs/en/docs/sql-manual/sql-functions/string-functions/find_in_set.md
rename to docs/en/docs/sql-manual/sql-functions/string-functions/find-in-set.md
index c51e078fcb..5a4e37c18d 100644
--- a/docs/en/docs/sql-manual/sql-functions/string-functions/find_in_set.md
+++ b/docs/en/docs/sql-manual/sql-functions/string-functions/find-in-set.md
@@ -1,6 +1,6 @@
 ---
 {
-    "title": "find_in_set",
+    "title": "FIND_IN_SET",
     "language": "en"
 }
 ---
diff --git 
a/docs/en/docs/sql-manual/sql-functions/string-functions/from_base64.md 
b/docs/en/docs/sql-manual/sql-functions/string-functions/from-base64.md
similarity index 97%
rename from 
docs/en/docs/sql-manual/sql-functions/string-functions/from_base64.md
rename to docs/en/docs/sql-manual/sql-functions/string-functions/from-base64.md
index 0df1a539ac..bb2d285a08 100644
--- a/docs/en/docs/sql-manual/sql-functions/string-functions/from_base64.md
+++ b/docs/en/docs/sql-manual/sql-functions/string-functions/from-base64.md
@@ -1,6 +1,6 @@
 ---
 {
-    "title": "from_base64",
+    "title": "FROM_BASE64",
     "language": "en"
 }
 ---
diff --git a/docs/en/docs/sql-manual/sql-functions/string-functions/hex.md 
b/docs/en/docs/sql-manual/sql-functions/string-functions/hex.md
index 6041a50641..c8a5ec46ed 100644
--- a/docs/en/docs/sql-manual/sql-functions/string-functions/hex.md
+++ b/docs/en/docs/sql-manual/sql-functions/string-functions/hex.md
@@ -1,6 +1,6 @@
 ---
 {
-    "title": "hex",
+    "title": "HEX",
     "language": "en"
 }
 ---
diff --git a/docs/en/docs/sql-manual/sql-functions/string-functions/initcap.md 
b/docs/en/docs/sql-manual/sql-functions/string-functions/initcap.md
index 1c88aae5f9..4dc2c0e1d3 100644
--- a/docs/en/docs/sql-manual/sql-functions/string-functions/initcap.md
+++ b/docs/en/docs/sql-manual/sql-functions/string-functions/initcap.md
@@ -1,6 +1,6 @@
 ---
 {
-    "title": "initcap",
+    "title": "INITCAP",
     "language": "en"
 }
 ---
diff --git a/docs/en/docs/sql-manual/sql-functions/string-functions/instr.md 
b/docs/en/docs/sql-manual/sql-functions/string-functions/instr.md
index f9c160a3ce..1106dc5251 100644
--- a/docs/en/docs/sql-manual/sql-functions/string-functions/instr.md
+++ b/docs/en/docs/sql-manual/sql-functions/string-functions/instr.md
@@ -1,6 +1,6 @@
 ---
 {
-    "title": "instr",
+    "title": "INSTR",
     "language": "en"
 }
 ---
diff --git a/docs/en/docs/sql-manual/sql-functions/string-functions/lcase.md 
b/docs/en/docs/sql-manual/sql-functions/string-functions/lcase.md
index 6e2ff9f2a0..8cac4e9290 100644
--- a/docs/en/docs/sql-manual/sql-functions/string-functions/lcase.md
+++ b/docs/en/docs/sql-manual/sql-functions/string-functions/lcase.md
@@ -1,6 +1,6 @@
 ---
 {
-    "title": "lcase",
+    "title": "LCASE",
     "language": "en"
 }
 ---
diff --git a/docs/en/docs/sql-manual/sql-functions/string-functions/left.md 
b/docs/en/docs/sql-manual/sql-functions/string-functions/left.md
index e782e912b0..3abd694959 100644
--- a/docs/en/docs/sql-manual/sql-functions/string-functions/left.md
+++ b/docs/en/docs/sql-manual/sql-functions/string-functions/left.md
@@ -1,6 +1,6 @@
 ---
 {
-    "title": "left",
+    "title": "LEFT",
     "language": "en"
 }
 ---
diff --git a/docs/en/docs/sql-manual/sql-functions/string-functions/length.md 
b/docs/en/docs/sql-manual/sql-functions/string-functions/length.md
index 891fbcdeb1..723c01eaef 100644
--- a/docs/en/docs/sql-manual/sql-functions/string-functions/length.md
+++ b/docs/en/docs/sql-manual/sql-functions/string-functions/length.md
@@ -1,6 +1,6 @@
 ---
 {
-    "title": "length",
+    "title": "LENGTH",
     "language": "en"
 }
 ---
diff --git 
a/docs/en/docs/sql-manual/sql-functions/string-functions/like/like.md 
b/docs/en/docs/sql-manual/sql-functions/string-functions/like/like.md
index 6524a164fa..3089ee27d5 100644
--- a/docs/en/docs/sql-manual/sql-functions/string-functions/like/like.md
+++ b/docs/en/docs/sql-manual/sql-functions/string-functions/like/like.md
@@ -1,6 +1,6 @@
 ---
 {
-    "title": "like",
+    "title": "LIKE",
     "language": "en"
 }
 ---
diff --git 
a/docs/en/docs/sql-manual/sql-functions/string-functions/like/not_like.md 
b/docs/en/docs/sql-manual/sql-functions/string-functions/like/not-like.md
similarity index 98%
rename from 
docs/en/docs/sql-manual/sql-functions/string-functions/like/not_like.md
rename to 
docs/en/docs/sql-manual/sql-functions/string-functions/like/not-like.md
index 1bc97cca20..7f040041a8 100644
--- a/docs/en/docs/sql-manual/sql-functions/string-functions/like/not_like.md
+++ b/docs/en/docs/sql-manual/sql-functions/string-functions/like/not-like.md
@@ -1,6 +1,6 @@
 ---
 {
-    "title": "not like",
+    "title": "NOT LIKE",
     "language": "en"
 }
 ---
diff --git a/docs/en/docs/sql-manual/sql-functions/string-functions/locate.md 
b/docs/en/docs/sql-manual/sql-functions/string-functions/locate.md
index bab5940c76..f3b53356a4 100644
--- a/docs/en/docs/sql-manual/sql-functions/string-functions/locate.md
+++ b/docs/en/docs/sql-manual/sql-functions/string-functions/locate.md
@@ -1,6 +1,6 @@
 ---
 {
-    "title": "locate",
+    "title": "LOCATE",
     "language": "en"
 }
 ---
diff --git a/docs/en/docs/sql-manual/sql-functions/string-functions/lower.md 
b/docs/en/docs/sql-manual/sql-functions/string-functions/lower.md
index 359b6a5a04..ad72a5e7c7 100644
--- a/docs/en/docs/sql-manual/sql-functions/string-functions/lower.md
+++ b/docs/en/docs/sql-manual/sql-functions/string-functions/lower.md
@@ -1,6 +1,6 @@
 ---
 {
-    "title": "lower",
+    "title": "LOWER",
     "language": "en"
 }
 ---
diff --git a/docs/en/docs/sql-manual/sql-functions/string-functions/lpad.md 
b/docs/en/docs/sql-manual/sql-functions/string-functions/lpad.md
index 2b478c3f1d..5e2d9b9553 100644
--- a/docs/en/docs/sql-manual/sql-functions/string-functions/lpad.md
+++ b/docs/en/docs/sql-manual/sql-functions/string-functions/lpad.md
@@ -1,6 +1,6 @@
 ---
 {
-    "title": "lpad",
+    "title": "LPAD",
     "language": "en"
 }
 ---
diff --git a/docs/en/docs/sql-manual/sql-functions/string-functions/ltrim.md 
b/docs/en/docs/sql-manual/sql-functions/string-functions/ltrim.md
index f534d15d47..b219a7e75c 100644
--- a/docs/en/docs/sql-manual/sql-functions/string-functions/ltrim.md
+++ b/docs/en/docs/sql-manual/sql-functions/string-functions/ltrim.md
@@ -1,6 +1,6 @@
 ---
 {
-    "title": "ltrim",
+    "title": "LTRIM",
     "language": "en"
 }
 ---
diff --git 
a/docs/en/docs/sql-manual/sql-functions/string-functions/mask/mask_first_n.md 
b/docs/en/docs/sql-manual/sql-functions/string-functions/mask/mask-first-n.md
similarity index 98%
rename from 
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rename to 
docs/en/docs/sql-manual/sql-functions/string-functions/mask/mask-first-n.md
index c6d63de53a..1c78ef231c 100644
--- 
a/docs/en/docs/sql-manual/sql-functions/string-functions/mask/mask_first_n.md
+++ 
b/docs/en/docs/sql-manual/sql-functions/string-functions/mask/mask-first-n.md
@@ -1,6 +1,6 @@
 ---
 {
-    "title": "mask_first_n",
+    "title": "MASK_FIRST_N",
     "language": "en"
 }
 ---
diff --git 
a/docs/en/docs/sql-manual/sql-functions/string-functions/mask/mask_last_n.md 
b/docs/en/docs/sql-manual/sql-functions/string-functions/mask/mask-last-n.md
similarity index 98%
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docs/en/docs/sql-manual/sql-functions/string-functions/mask/mask-last-n.md
index adceceae20..e0a740fbec 100644
--- a/docs/en/docs/sql-manual/sql-functions/string-functions/mask/mask_last_n.md
+++ b/docs/en/docs/sql-manual/sql-functions/string-functions/mask/mask-last-n.md
@@ -1,6 +1,6 @@
 ---
 {
-    "title": "mask_last_n",
+    "title": "MASK_LAST_N",
     "language": "en"
 }
 ---
diff --git 
a/docs/en/docs/sql-manual/sql-functions/string-functions/mask/mask.md 
b/docs/en/docs/sql-manual/sql-functions/string-functions/mask/mask.md
index 8e0bc0272b..3b0a66a11b 100644
--- a/docs/en/docs/sql-manual/sql-functions/string-functions/mask/mask.md
+++ b/docs/en/docs/sql-manual/sql-functions/string-functions/mask/mask.md
@@ -1,6 +1,6 @@
 ---
 {
-    "title": "mask",
+    "title": "MASK",
     "language": "en"
 }
 ---
diff --git 
a/docs/en/docs/sql-manual/sql-functions/string-functions/money_format.md 
b/docs/en/docs/sql-manual/sql-functions/string-functions/money-format.md
similarity index 98%
rename from 
docs/en/docs/sql-manual/sql-functions/string-functions/money_format.md
rename to docs/en/docs/sql-manual/sql-functions/string-functions/money-format.md
index b5ae2f246d..629290b6e7 100644
--- a/docs/en/docs/sql-manual/sql-functions/string-functions/money_format.md
+++ b/docs/en/docs/sql-manual/sql-functions/string-functions/money-format.md
@@ -1,6 +1,6 @@
 ---
 {
-    "title": "money_format",
+    "title": "MONEY_FORMAT",
     "language": "en"
 }
 ---
diff --git 
a/docs/en/docs/sql-manual/sql-functions/string-functions/not_null_or_empty.md 
b/docs/en/docs/sql-manual/sql-functions/string-functions/not-null-or-empty.md
similarity index 97%
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docs/en/docs/sql-manual/sql-functions/string-functions/not-null-or-empty.md
index 9d807e1107..08f6b56b60 100644
--- 
a/docs/en/docs/sql-manual/sql-functions/string-functions/not_null_or_empty.md
+++ 
b/docs/en/docs/sql-manual/sql-functions/string-functions/not-null-or-empty.md
@@ -1,6 +1,6 @@
 ---
 {
-    "title": "not_null_or_empty",
+    "title": "NOT_NULL_OR_EMPTY",
     "language": "en"
 }
 ---
diff --git 
a/docs/en/docs/sql-manual/sql-functions/string-functions/null_or_empty.md 
b/docs/en/docs/sql-manual/sql-functions/string-functions/null-or-empty.md
similarity index 98%
rename from 
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docs/en/docs/sql-manual/sql-functions/string-functions/null-or-empty.md
index 52f8734466..87c60cee3b 100644
--- a/docs/en/docs/sql-manual/sql-functions/string-functions/null_or_empty.md
+++ b/docs/en/docs/sql-manual/sql-functions/string-functions/null-or-empty.md
@@ -1,6 +1,6 @@
 ---
 {
-    "title": "null_or_empty",
+    "title": "NULL_OR_EMPTY",
     "language": "en"
 }
 ---
diff --git 
a/docs/en/docs/sql-manual/sql-functions/string-functions/parse_url.md 
b/docs/en/docs/sql-manual/sql-functions/string-functions/parse-url.md
similarity index 98%
rename from docs/en/docs/sql-manual/sql-functions/string-functions/parse_url.md
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index 1c349b68a8..68523da23f 100644
--- a/docs/en/docs/sql-manual/sql-functions/string-functions/parse_url.md
+++ b/docs/en/docs/sql-manual/sql-functions/string-functions/parse-url.md
@@ -1,6 +1,6 @@
 ---
 {
-    "title": "parse_url",
+    "title": "PARSE_URL",
     "language": "en"
 }
 ---
diff --git 
a/docs/en/docs/sql-manual/sql-functions/string-functions/regexp/not_regexp.md 
b/docs/en/docs/sql-manual/sql-functions/string-functions/regexp/not-regexp.md
similarity index 98%
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docs/en/docs/sql-manual/sql-functions/string-functions/regexp/not_regexp.md
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docs/en/docs/sql-manual/sql-functions/string-functions/regexp/not-regexp.md
index c5d267568d..facb912871 100644
--- 
a/docs/en/docs/sql-manual/sql-functions/string-functions/regexp/not_regexp.md
+++ 
b/docs/en/docs/sql-manual/sql-functions/string-functions/regexp/not-regexp.md
@@ -1,6 +1,6 @@
 ---
 {
-    "title": "not regexp",
+    "title": "NOT REGEXP",
     "language": "en"
 }
 ---
diff --git 
a/docs/en/docs/sql-manual/sql-functions/string-functions/regexp/regexp_extract_all.md
 
b/docs/en/docs/sql-manual/sql-functions/string-functions/regexp/regexp-extract-all.md
similarity index 98%
rename from 
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docs/en/docs/sql-manual/sql-functions/string-functions/regexp/regexp-extract-all.md
index 7cfc6320c4..a7788de8cd 100644
--- 
a/docs/en/docs/sql-manual/sql-functions/string-functions/regexp/regexp_extract_all.md
+++ 
b/docs/en/docs/sql-manual/sql-functions/string-functions/regexp/regexp-extract-all.md
@@ -1,6 +1,6 @@
 ---
 {
-    "title": "regexp_extract_all",
+    "title": "REGEXP_EXTRACT_ALL",
     "language": "en"
 }
 ---
diff --git 
a/docs/en/docs/sql-manual/sql-functions/string-functions/regexp/regexp_extract.md
 
b/docs/en/docs/sql-manual/sql-functions/string-functions/regexp/regexp-extract.md
similarity index 98%
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docs/en/docs/sql-manual/sql-functions/string-functions/regexp/regexp_extract.md
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docs/en/docs/sql-manual/sql-functions/string-functions/regexp/regexp-extract.md
index ffc4d5423d..9c567db676 100644
--- 
a/docs/en/docs/sql-manual/sql-functions/string-functions/regexp/regexp_extract.md
+++ 
b/docs/en/docs/sql-manual/sql-functions/string-functions/regexp/regexp-extract.md
@@ -1,6 +1,6 @@
 ---
 {
-    "title": "regexp_extract",
+    "title": "REGEXP_EXTRACT",
     "language": "en"
 }
 ---
diff --git 
a/docs/en/docs/sql-manual/sql-functions/string-functions/regexp/regexp_replace_one.md
 
b/docs/en/docs/sql-manual/sql-functions/string-functions/regexp/regexp-replace-one.md
similarity index 97%
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docs/en/docs/sql-manual/sql-functions/string-functions/regexp/regexp-replace-one.md
index 9bc7347955..8344122e4a 100644
--- 
a/docs/en/docs/sql-manual/sql-functions/string-functions/regexp/regexp_replace_one.md
+++ 
b/docs/en/docs/sql-manual/sql-functions/string-functions/regexp/regexp-replace-one.md
@@ -1,6 +1,6 @@
 ---
 {
-    "title": "regexp_replace_one",
+    "title": "REGEXP_REPLACE_ONE",
     "language": "en"
 }
 ---
diff --git 
a/docs/en/docs/sql-manual/sql-functions/string-functions/regexp/regexp_replace.md
 
b/docs/en/docs/sql-manual/sql-functions/string-functions/regexp/regexp-replace.md
similarity index 98%
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docs/en/docs/sql-manual/sql-functions/string-functions/regexp/regexp-replace.md
index 05ec3777b8..1d5dae96bb 100644
--- 
a/docs/en/docs/sql-manual/sql-functions/string-functions/regexp/regexp_replace.md
+++ 
b/docs/en/docs/sql-manual/sql-functions/string-functions/regexp/regexp-replace.md
@@ -1,6 +1,6 @@
 ---
 {
-    "title": "regexp_replace",
+    "title": "REGEXP_REPLACE",
     "language": "en"
 }
 ---
diff --git 
a/docs/en/docs/sql-manual/sql-functions/string-functions/regexp/regexp.md 
b/docs/en/docs/sql-manual/sql-functions/string-functions/regexp/regexp.md
index 0f0b1d338c..3f1b362268 100644
--- a/docs/en/docs/sql-manual/sql-functions/string-functions/regexp/regexp.md
+++ b/docs/en/docs/sql-manual/sql-functions/string-functions/regexp/regexp.md
@@ -1,6 +1,6 @@
 ---
 {
-    "title": "regexp",
+    "title": "REGEXP",
     "language": "en"
 }
 ---
diff --git a/docs/en/docs/sql-manual/sql-functions/string-functions/repeat.md 
b/docs/en/docs/sql-manual/sql-functions/string-functions/repeat.md
index cfb826cc6a..4040d4f9a7 100644
--- a/docs/en/docs/sql-manual/sql-functions/string-functions/repeat.md
+++ b/docs/en/docs/sql-manual/sql-functions/string-functions/repeat.md
@@ -1,6 +1,6 @@
 ---
 {
-    "title": "repeat",
+    "title": "REPEAT",
     "language": "en"
 }
 ---
diff --git a/docs/en/docs/sql-manual/sql-functions/string-functions/replace.md 
b/docs/en/docs/sql-manual/sql-functions/string-functions/replace.md
index 71ba56e108..20e89f2ef0 100644
--- a/docs/en/docs/sql-manual/sql-functions/string-functions/replace.md
+++ b/docs/en/docs/sql-manual/sql-functions/string-functions/replace.md
@@ -1,6 +1,6 @@
 ---
 {
-    "title": "replace",
+    "title": "REPLACE",
     "language": "en"
 }
 ---
diff --git a/docs/en/docs/sql-manual/sql-functions/string-functions/reverse.md 
b/docs/en/docs/sql-manual/sql-functions/string-functions/reverse.md
index 222030a74e..12e660fe39 100644
--- a/docs/en/docs/sql-manual/sql-functions/string-functions/reverse.md
+++ b/docs/en/docs/sql-manual/sql-functions/string-functions/reverse.md
@@ -1,6 +1,6 @@
 ---
 {
-    "title": "reverse",
+    "title": "REVERSE",
     "language": "en"
 }
 ---
diff --git a/docs/en/docs/sql-manual/sql-functions/string-functions/right.md 
b/docs/en/docs/sql-manual/sql-functions/string-functions/right.md
index 38b13eacbe..bb2ea99bfb 100644
--- a/docs/en/docs/sql-manual/sql-functions/string-functions/right.md
+++ b/docs/en/docs/sql-manual/sql-functions/string-functions/right.md
@@ -1,6 +1,6 @@
 ---
 {
-    "title": "right",
+    "title": "RIGHT",
     "language": "en"
 }
 ---
diff --git a/docs/en/docs/sql-manual/sql-functions/string-functions/rpad.md 
b/docs/en/docs/sql-manual/sql-functions/string-functions/rpad.md
index 310464c1d5..f5ffb5bae4 100644
--- a/docs/en/docs/sql-manual/sql-functions/string-functions/rpad.md
+++ b/docs/en/docs/sql-manual/sql-functions/string-functions/rpad.md
@@ -1,6 +1,6 @@
 ---
 {
-    "title": "rpad",
+    "title": "RPAD",
     "language": "en"
 }
 ---
diff --git a/docs/en/docs/sql-manual/sql-functions/string-functions/rtrim.md 
b/docs/en/docs/sql-manual/sql-functions/string-functions/rtrim.md
index b81d4cfbf9..55a23b2122 100644
--- a/docs/en/docs/sql-manual/sql-functions/string-functions/rtrim.md
+++ b/docs/en/docs/sql-manual/sql-functions/string-functions/rtrim.md
@@ -1,6 +1,6 @@
 ---
 {
-    "title": "rtrim",
+    "title": "RTRIM",
     "language": "en"
 }
 ---
diff --git 
a/docs/en/docs/sql-manual/sql-functions/string-functions/search/multi_match_any.md
 
b/docs/en/docs/sql-manual/sql-functions/string-functions/search/multi-match-any.md
similarity index 98%
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docs/en/docs/sql-manual/sql-functions/string-functions/search/multi-match-any.md
index ea41ef7207..543f935f36 100644
--- 
a/docs/en/docs/sql-manual/sql-functions/string-functions/search/multi_match_any.md
+++ 
b/docs/en/docs/sql-manual/sql-functions/string-functions/search/multi-match-any.md
@@ -1,6 +1,6 @@
 ---
 {
-    "title": "multi_match_any",
+    "title": "MULTI_MATCH_ANY",
     "language": "en"
 }
 ---
diff --git 
a/docs/en/docs/sql-manual/sql-functions/string-functions/search/multi_search_all_positions.md
 
b/docs/en/docs/sql-manual/sql-functions/string-functions/search/multi-search-all-positions.md
similarity index 98%
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docs/en/docs/sql-manual/sql-functions/string-functions/search/multi-search-all-positions.md
index db52923b6a..c2d72c41d0 100644
--- 
a/docs/en/docs/sql-manual/sql-functions/string-functions/search/multi_search_all_positions.md
+++ 
b/docs/en/docs/sql-manual/sql-functions/string-functions/search/multi-search-all-positions.md
@@ -1,6 +1,6 @@
 ---
 {
-    "title": "multi_search_all_positions",
+    "title": "MULTI_SEARCH_ALL_POSITIONS",
     "language": "en"
 }
 ---
diff --git a/docs/en/docs/sql-manual/sql-functions/string-functions/sleep.md 
b/docs/en/docs/sql-manual/sql-functions/string-functions/sleep.md
index 4c02d502f2..4aa6b16beb 100644
--- a/docs/en/docs/sql-manual/sql-functions/string-functions/sleep.md
+++ b/docs/en/docs/sql-manual/sql-functions/string-functions/sleep.md
@@ -1,6 +1,6 @@
 ---
 {
-    "title": "sleep",
+    "title": "SLEEP",
     "language": "en"
 }
 ---
diff --git a/docs/en/docs/sql-manual/sql-functions/string-functions/space.md 
b/docs/en/docs/sql-manual/sql-functions/string-functions/space.md
index 49b3ab0f39..c2922ef8c3 100644
--- a/docs/en/docs/sql-manual/sql-functions/string-functions/space.md
+++ b/docs/en/docs/sql-manual/sql-functions/string-functions/space.md
@@ -1,6 +1,6 @@
 ---
 {
-    "title": "space",
+    "title": "SPACE",
     "language": "en"
 }
 ---
diff --git 
a/docs/en/docs/sql-manual/sql-functions/string-functions/split_by_string.md 
b/docs/en/docs/sql-manual/sql-functions/string-functions/split-by-string.md
similarity index 98%
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docs/en/docs/sql-manual/sql-functions/string-functions/split_by_string.md
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docs/en/docs/sql-manual/sql-functions/string-functions/split-by-string.md
index 02c8a7a8cf..1a7bd00771 100644
--- a/docs/en/docs/sql-manual/sql-functions/string-functions/split_by_string.md
+++ b/docs/en/docs/sql-manual/sql-functions/string-functions/split-by-string.md
@@ -1,6 +1,6 @@
 ---
 {
-    "title": "split_by_string",
+    "title": "SPLIT_BY_STRING",
     "language": "en"
 }
 ---
diff --git 
a/docs/en/docs/sql-manual/sql-functions/string-functions/split_part.md 
b/docs/en/docs/sql-manual/sql-functions/string-functions/split-part.md
similarity index 99%
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index 3e35db5f73..4aa334c794 100644
--- a/docs/en/docs/sql-manual/sql-functions/string-functions/split_part.md
+++ b/docs/en/docs/sql-manual/sql-functions/string-functions/split-part.md
@@ -1,6 +1,6 @@
 ---
 {
-    "title": "split_part",
+    "title": "SPLIT_PART",
     "language": "en"
 }
 ---
diff --git 
a/docs/en/docs/sql-manual/sql-functions/string-functions/starts_with.md 
b/docs/en/docs/sql-manual/sql-functions/string-functions/starts-with.md
similarity index 98%
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index 576eababa9..660680730e 100644
--- a/docs/en/docs/sql-manual/sql-functions/string-functions/starts_with.md
+++ b/docs/en/docs/sql-manual/sql-functions/string-functions/starts-with.md
@@ -1,6 +1,6 @@
 ---
 {
-    "title": "starts_with",
+    "title": "STARTS_WITH",
     "language": "en"
 }
 ---
diff --git a/docs/en/docs/sql-manual/sql-functions/string-functions/strleft.md 
b/docs/en/docs/sql-manual/sql-functions/string-functions/strleft.md
index 9c114cb82e..9ea8a1c3f8 100644
--- a/docs/en/docs/sql-manual/sql-functions/string-functions/strleft.md
+++ b/docs/en/docs/sql-manual/sql-functions/string-functions/strleft.md
@@ -1,6 +1,6 @@
 ---
 {
-    "title": "strleft",
+    "title": "STRLEFT",
     "language": "en"
 }
 ---
diff --git a/docs/en/docs/sql-manual/sql-functions/string-functions/strright.md 
b/docs/en/docs/sql-manual/sql-functions/string-functions/strright.md
index fa2bbb9131..6ee83dc4ad 100644
--- a/docs/en/docs/sql-manual/sql-functions/string-functions/strright.md
+++ b/docs/en/docs/sql-manual/sql-functions/string-functions/strright.md
@@ -1,6 +1,6 @@
 ---
 {
-    "title": "strright",
+    "title": "STRRIGHT",
     "language": "en"
 }
 ---
diff --git 
a/docs/en/docs/sql-manual/sql-functions/string-functions/sub_replace.md 
b/docs/en/docs/sql-manual/sql-functions/string-functions/sub-replace.md
similarity index 98%
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docs/en/docs/sql-manual/sql-functions/string-functions/sub_replace.md
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index 0cdcbc40d9..75b50211b4 100644
--- a/docs/en/docs/sql-manual/sql-functions/string-functions/sub_replace.md
+++ b/docs/en/docs/sql-manual/sql-functions/string-functions/sub-replace.md
@@ -1,6 +1,6 @@
 ---
 {
-"title": "sub_replace",
+"title": "SUB_REPLACE",
 "language": "en"
 }
 ---
diff --git a/docs/en/docs/sql-manual/sql-functions/string-functions/substr.md 
b/docs/en/docs/sql-manual/sql-functions/string-functions/substr.md
index 60dcac4975..30292de587 100644
--- a/docs/en/docs/sql-manual/sql-functions/string-functions/substr.md
+++ b/docs/en/docs/sql-manual/sql-functions/string-functions/substr.md
@@ -1,6 +1,6 @@
 ---
 {
-"title": "substr",
+"title": "SUBSTR",
 "language": "en"
 }
 ---
diff --git 
a/docs/en/docs/sql-manual/sql-functions/string-functions/substring_index.md 
b/docs/en/docs/sql-manual/sql-functions/string-functions/substring-index.md
similarity index 98%
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docs/en/docs/sql-manual/sql-functions/string-functions/substring-index.md
index 129e6afcd0..dea4986c70 100644
--- a/docs/en/docs/sql-manual/sql-functions/string-functions/substring_index.md
+++ b/docs/en/docs/sql-manual/sql-functions/string-functions/substring-index.md
@@ -1,6 +1,6 @@
 ---
 {
-"title": "substring_index",
+"title": "SUBSTRING_INDEX",
 "language": "en"
 }
 ---
diff --git 
a/docs/en/docs/sql-manual/sql-functions/string-functions/substring.md 
b/docs/en/docs/sql-manual/sql-functions/string-functions/substring.md
index 7a65cb15c2..59bd82cebb 100644
--- a/docs/en/docs/sql-manual/sql-functions/string-functions/substring.md
+++ b/docs/en/docs/sql-manual/sql-functions/string-functions/substring.md
@@ -1,6 +1,6 @@
 ---
 {
-    "title": "substring",
+    "title": "SUBSTRING",
     "language": "en"
 }
 ---
diff --git 
a/docs/en/docs/sql-manual/sql-functions/string-functions/to_base64.md 
b/docs/en/docs/sql-manual/sql-functions/string-functions/to-base64.md
similarity index 97%
rename from docs/en/docs/sql-manual/sql-functions/string-functions/to_base64.md
rename to docs/en/docs/sql-manual/sql-functions/string-functions/to-base64.md
index a9cf4b4c71..345a11955f 100644
--- a/docs/en/docs/sql-manual/sql-functions/string-functions/to_base64.md
+++ b/docs/en/docs/sql-manual/sql-functions/string-functions/to-base64.md
@@ -1,6 +1,6 @@
 ---
 {
-    "title": "to_base64",
+    "title": "TO_BASE64",
     "language": "en"
 }
 ---
diff --git a/docs/en/docs/sql-manual/sql-functions/string-functions/trim.md 
b/docs/en/docs/sql-manual/sql-functions/string-functions/trim.md
index 8363c57a1e..8503db9ce3 100644
--- a/docs/en/docs/sql-manual/sql-functions/string-functions/trim.md
+++ b/docs/en/docs/sql-manual/sql-functions/string-functions/trim.md
@@ -1,6 +1,6 @@
 ---
 {
-    "title": "trim",
+    "title": "TRIM",
     "language": "en"
 }
 ---
diff --git a/docs/en/docs/sql-manual/sql-functions/string-functions/ucase.md 
b/docs/en/docs/sql-manual/sql-functions/string-functions/ucase.md
index 5ffa7c996f..cf1160806f 100644
--- a/docs/en/docs/sql-manual/sql-functions/string-functions/ucase.md
+++ b/docs/en/docs/sql-manual/sql-functions/string-functions/ucase.md
@@ -1,6 +1,6 @@
 ---
 {
-    "title": "ucase",
+    "title": "UCASE",
     "language": "en"
 }
 ---
diff --git a/docs/en/docs/sql-manual/sql-functions/string-functions/unhex.md 
b/docs/en/docs/sql-manual/sql-functions/string-functions/unhex.md
index fb66dc43e1..ffbc4db2c1 100644
--- a/docs/en/docs/sql-manual/sql-functions/string-functions/unhex.md
+++ b/docs/en/docs/sql-manual/sql-functions/string-functions/unhex.md
@@ -1,6 +1,6 @@
 ---
 {
-    "title": "unhex",
+    "title": "UNHEX",
     "language": "en"
 }
 ---
diff --git a/docs/en/docs/sql-manual/sql-functions/string-functions/upper.md 
b/docs/en/docs/sql-manual/sql-functions/string-functions/upper.md
index 81a97e47a3..ad23316a53 100644
--- a/docs/en/docs/sql-manual/sql-functions/string-functions/upper.md
+++ b/docs/en/docs/sql-manual/sql-functions/string-functions/upper.md
@@ -1,6 +1,6 @@
 ---
 {
-    "title": "upper",
+    "title": "UPPER",
     "language": "en"
 }
 ---
diff --git a/docs/en/docs/sql-manual/sql-functions/string-functions/uuid.md 
b/docs/en/docs/sql-manual/sql-functions/string-functions/uuid.md
index 5000354d53..6348cc4a4a 100644
--- a/docs/en/docs/sql-manual/sql-functions/string-functions/uuid.md
+++ b/docs/en/docs/sql-manual/sql-functions/string-functions/uuid.md
@@ -1,6 +1,6 @@
 ---
 {
-    "title": "uuid",
+    "title": "UUID",
     "language": "en"
 }
 ---
diff --git a/docs/sidebars.json b/docs/sidebars.json
index 0f6c6a6d83..93eecc1f45 100644
--- a/docs/sidebars.json
+++ b/docs/sidebars.json
@@ -405,12 +405,12 @@
                             "type": "category",
                             "label": "String Functions",
                             "items": [
-                                
"sql-manual/sql-functions/string-functions/to_base64",
-                                
"sql-manual/sql-functions/string-functions/from_base64",
+                                
"sql-manual/sql-functions/string-functions/to-base64",
+                                
"sql-manual/sql-functions/string-functions/from-base64",
                                 
"sql-manual/sql-functions/string-functions/ascii",
                                 
"sql-manual/sql-functions/string-functions/length",
-                                
"sql-manual/sql-functions/string-functions/bit_length",
-                                
"sql-manual/sql-functions/string-functions/char_length",
+                                
"sql-manual/sql-functions/string-functions/bit-length",
+                                
"sql-manual/sql-functions/string-functions/char-length",
                                 
"sql-manual/sql-functions/string-functions/lpad",
                                 
"sql-manual/sql-functions/string-functions/rpad",
                                 
"sql-manual/sql-functions/string-functions/lower",
@@ -422,52 +422,64 @@
                                 
"sql-manual/sql-functions/string-functions/reverse",
                                 
"sql-manual/sql-functions/string-functions/char",
                                 
"sql-manual/sql-functions/string-functions/concat",
-                                
"sql-manual/sql-functions/string-functions/concat_ws",
+                                
"sql-manual/sql-functions/string-functions/concat-ws",
                                 
"sql-manual/sql-functions/string-functions/substr",
                                 
"sql-manual/sql-functions/string-functions/substring",
-                                
"sql-manual/sql-functions/string-functions/sub_replace",
-                                
"sql-manual/sql-functions/string-functions/append_trailing_char_if_absent",
-                                
"sql-manual/sql-functions/string-functions/ends_with",
-                                
"sql-manual/sql-functions/string-functions/starts_with",
+                                
"sql-manual/sql-functions/string-functions/sub-replace",
+                                
"sql-manual/sql-functions/string-functions/append-trailing-char-if-absent",
+                                
"sql-manual/sql-functions/string-functions/ends-with",
+                                
"sql-manual/sql-functions/string-functions/starts-with",
                                 
"sql-manual/sql-functions/string-functions/trim",
                                 
"sql-manual/sql-functions/string-functions/ltrim",
                                 
"sql-manual/sql-functions/string-functions/rtrim",
-                                
"sql-manual/sql-functions/string-functions/null_or_empty",
-                                
"sql-manual/sql-functions/string-functions/not_null_or_empty",
+                                
"sql-manual/sql-functions/string-functions/null-or-empty",
+                                
"sql-manual/sql-functions/string-functions/not-null-or-empty",
                                 
"sql-manual/sql-functions/string-functions/hex",
                                 
"sql-manual/sql-functions/string-functions/unhex",
                                 
"sql-manual/sql-functions/string-functions/elt",
                                 
"sql-manual/sql-functions/string-functions/instr",
                                 
"sql-manual/sql-functions/string-functions/locate",
                                 
"sql-manual/sql-functions/string-functions/field",
-                                
"sql-manual/sql-functions/string-functions/find_in_set",
+                                
"sql-manual/sql-functions/string-functions/find-in-set",
                                 
"sql-manual/sql-functions/string-functions/replace",
                                 
"sql-manual/sql-functions/string-functions/left",
                                 
"sql-manual/sql-functions/string-functions/right",
                                 
"sql-manual/sql-functions/string-functions/strleft",
                                 
"sql-manual/sql-functions/string-functions/strright",
-                                
"sql-manual/sql-functions/string-functions/split_part",
-                                
"sql-manual/sql-functions/string-functions/split_by_string",
-                                
"sql-manual/sql-functions/string-functions/substring_index",
-                                
"sql-manual/sql-functions/string-functions/money_format",
-                                
"sql-manual/sql-functions/string-functions/parse_url",
-                                
"sql-manual/sql-functions/string-functions/convert_to",
-                                
"sql-manual/sql-functions/string-functions/extract_url_parameter",
+                                
"sql-manual/sql-functions/string-functions/split-part",
+                                
"sql-manual/sql-functions/string-functions/split-by-string",
+                                
"sql-manual/sql-functions/string-functions/substring-index",
+                                
"sql-manual/sql-functions/string-functions/money-format",
+                                
"sql-manual/sql-functions/string-functions/parse-url",
+                                
"sql-manual/sql-functions/string-functions/convert-to",
+                                
"sql-manual/sql-functions/string-functions/extract-url-parameter",
                                 
"sql-manual/sql-functions/string-functions/uuid",
                                 
"sql-manual/sql-functions/string-functions/space",
                                 
"sql-manual/sql-functions/string-functions/sleep",
                                 
"sql-manual/sql-functions/string-functions/esquery",
-                                
"sql-manual/sql-functions/string-functions/mask/mask",
-                                
"sql-manual/sql-functions/string-functions/mask/mask_first_n",
-                                
"sql-manual/sql-functions/string-functions/mask/mask_last_n",
-                                
"sql-manual/sql-functions/string-functions/search/multi_search_all_positions",
-                                
"sql-manual/sql-functions/string-functions/search/multi_match_any",
+                                {
+                                    "type": "category",
+                                    "label": "Search in String",
+                                    "items": [
+                                        
"sql-manual/sql-functions/string-functions/search/multi-search-all-positions",
+                                        
"sql-manual/sql-functions/string-functions/search/multi-match-any"
+                                    ]
+                                },
+                                {
+                                    "type": "category",
+                                    "label": "Mask in String",
+                                    "items": [
+                                        
"sql-manual/sql-functions/string-functions/mask/mask",
+                                        
"sql-manual/sql-functions/string-functions/mask/mask-first-n",
+                                        
"sql-manual/sql-functions/string-functions/mask/mask-last-n"
+                                    ]
+                                },
                                 {
                                     "type": "category",
                                     "label": "Fuzzy Match",
                                     "items": [
                                         
"sql-manual/sql-functions/string-functions/like/like",
-                                        
"sql-manual/sql-functions/string-functions/like/not_like"
+                                        
"sql-manual/sql-functions/string-functions/like/not-like"
                                     ]
                                 },
                                 {
@@ -475,11 +487,11 @@
                                     "label": "Regular Match",
                                     "items": [
                                         
"sql-manual/sql-functions/string-functions/regexp/regexp",
-                                        
"sql-manual/sql-functions/string-functions/regexp/regexp_extract",
-                                        
"sql-manual/sql-functions/string-functions/regexp/regexp_extract_all",
-                                        
"sql-manual/sql-functions/string-functions/regexp/regexp_replace",
-                                        
"sql-manual/sql-functions/string-functions/regexp/regexp_replace_one",
-                                        
"sql-manual/sql-functions/string-functions/regexp/not_regexp"
+                                        
"sql-manual/sql-functions/string-functions/regexp/regexp-extract",
+                                        
"sql-manual/sql-functions/string-functions/regexp/regexp-extract-all",
+                                        
"sql-manual/sql-functions/string-functions/regexp/regexp-replace",
+                                        
"sql-manual/sql-functions/string-functions/regexp/regexp-replace-one",
+                                        
"sql-manual/sql-functions/string-functions/regexp/not-regexp"
                                     ]
                                 }
                             ]
diff --git 
a/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/append_trailing_char_if_absent.md
 
b/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/append-trailing-char-if-absent.md
similarity index 97%
rename from 
docs/zh-CN/docs/sql-manual/sql-functions/string-functions/append_trailing_char_if_absent.md
rename to 
docs/zh-CN/docs/sql-manual/sql-functions/string-functions/append-trailing-char-if-absent.md
index dd031e0731..12a8b8c9e3 100644
--- 
a/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/append_trailing_char_if_absent.md
+++ 
b/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/append-trailing-char-if-absent.md
@@ -1,6 +1,6 @@
 ---
 {
-    "title": "append_trailing_char_if_absent",
+    "title": "APPEND_TRAILING_CHAR_IF_ABSENT",
     "language": "zh-CN"
 }
 ---
diff --git a/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/ascii.md 
b/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/ascii.md
index 31b08c8fcb..3572e4f788 100644
--- a/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/ascii.md
+++ b/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/ascii.md
@@ -1,6 +1,6 @@
 ---
 {
-    "title": "ascii",
+    "title": "ASCII",
     "language": "zh-CN"
 }
 ---
diff --git 
a/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/bit_length.md 
b/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/bit-length.md
similarity index 97%
rename from 
docs/zh-CN/docs/sql-manual/sql-functions/string-functions/bit_length.md
rename to 
docs/zh-CN/docs/sql-manual/sql-functions/string-functions/bit-length.md
index d50ef0b201..cb50ab1b75 100644
--- a/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/bit_length.md
+++ b/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/bit-length.md
@@ -1,6 +1,6 @@
 ---
 {
-    "title": "bit_length",
+    "title": "BIT_LENGTH",
     "language": "zh-CN"
 }
 ---
diff --git 
a/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/char_length.md 
b/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/char-length.md
similarity index 98%
rename from 
docs/zh-CN/docs/sql-manual/sql-functions/string-functions/char_length.md
rename to 
docs/zh-CN/docs/sql-manual/sql-functions/string-functions/char-length.md
index cf8b64f123..3924f9d23d 100644
--- a/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/char_length.md
+++ b/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/char-length.md
@@ -1,6 +1,6 @@
 ---
 {
-    "title": "char_length",
+    "title": "CHAR_LENGTH",
     "language": "zh-CN"
 }
 ---
diff --git a/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/char.md 
b/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/char.md
index e3d57f3fd3..a5875be1ce 100644
--- a/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/char.md
+++ b/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/char.md
@@ -1,6 +1,6 @@
 ---
 {
-    "title": "char",
+    "title": "CHAR",
     "language": "zh-CN"
 }
 ---
diff --git 
a/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/concat_ws.md 
b/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/concat-ws.md
similarity index 99%
rename from 
docs/zh-CN/docs/sql-manual/sql-functions/string-functions/concat_ws.md
rename to docs/zh-CN/docs/sql-manual/sql-functions/string-functions/concat-ws.md
index f047d60804..6bf018e327 100644
--- a/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/concat_ws.md
+++ b/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/concat-ws.md
@@ -1,6 +1,6 @@
 ---
 {
-    "title": "concat_ws",
+    "title": "CONCAT_WS",
     "language": "zh-CN"
 }
 ---
diff --git 
a/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/concat.md 
b/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/concat.md
index c68e256343..3ee77dba5a 100644
--- a/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/concat.md
+++ b/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/concat.md
@@ -1,6 +1,6 @@
 ---
 {
-    "title": "concat",
+    "title": "CONCAT",
     "language": "zh-CN"
 }
 ---
diff --git 
a/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/convert_to.md 
b/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/convert-to.md
similarity index 98%
rename from 
docs/zh-CN/docs/sql-manual/sql-functions/string-functions/convert_to.md
rename to 
docs/zh-CN/docs/sql-manual/sql-functions/string-functions/convert-to.md
index 67e4ea21b4..e2d2796860 100644
--- a/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/convert_to.md
+++ b/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/convert-to.md
@@ -1,6 +1,6 @@
 ---
 {
-    "title": "convert_to",
+    "title": "CONVERT_TO",
     "language": "zh-CN"
 }
 ---
diff --git a/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/elt.md 
b/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/elt.md
index 34f45970d0..d86ab9d9b1 100644
--- a/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/elt.md
+++ b/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/elt.md
@@ -1,6 +1,6 @@
 ---
 {
-    "title": "elt",
+    "title": "ELT",
     "language": "zh-CN"
 }
 ---
diff --git 
a/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/ends_with.md 
b/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/ends-with.md
similarity index 98%
rename from 
docs/zh-CN/docs/sql-manual/sql-functions/string-functions/ends_with.md
rename to docs/zh-CN/docs/sql-manual/sql-functions/string-functions/ends-with.md
index 0b53451059..198b8423bb 100644
--- a/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/ends_with.md
+++ b/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/ends-with.md
@@ -1,6 +1,6 @@
 ---
 {
-    "title": "ends_with",
+    "title": "ENDS_WITH",
     "language": "zh-CN"
 }
 ---
diff --git 
a/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/esquery.md 
b/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/esquery.md
index ec4fdf7e1b..a005b4ad70 100644
--- a/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/esquery.md
+++ b/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/esquery.md
@@ -1,6 +1,6 @@
 ---
 {
-    "title": "esquery",
+    "title": "ESQUERY",
     "language": "zh-CN"
 }
 ---
diff --git 
a/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/extract_url_parameter.md
 
b/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/extract-url-parameter.md
similarity index 98%
rename from 
docs/zh-CN/docs/sql-manual/sql-functions/string-functions/extract_url_parameter.md
rename to 
docs/zh-CN/docs/sql-manual/sql-functions/string-functions/extract-url-parameter.md
index c73ee82229..0b6d1271c0 100644
--- 
a/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/extract_url_parameter.md
+++ 
b/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/extract-url-parameter.md
@@ -1,6 +1,6 @@
 ---
 {
-"title": "extract_url_parameter",
+"title": "EXTRACT_URL_PARAMETER",
 "language": "zh-CN"
 }
 ---
diff --git a/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/field.md 
b/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/field.md
index 6bb1ad5e1d..5b1eedfe4d 100644
--- a/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/field.md
+++ b/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/field.md
@@ -1,6 +1,6 @@
 ---
 {
-    "title": "field",
+    "title": "FIELD",
     "language": "zh-CN"
 }
 ---
diff --git 
a/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/find_in_set.md 
b/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/find-in-set.md
similarity index 97%
rename from 
docs/zh-CN/docs/sql-manual/sql-functions/string-functions/find_in_set.md
rename to 
docs/zh-CN/docs/sql-manual/sql-functions/string-functions/find-in-set.md
index 38e3dd456f..853b2e76e6 100644
--- a/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/find_in_set.md
+++ b/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/find-in-set.md
@@ -1,6 +1,6 @@
 ---
 {
-    "title": "find_in_set",
+    "title": "FIND_IN_SET",
     "language": "zh-CN"
 }
 ---
diff --git 
a/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/from_base64.md 
b/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/from-base64.md
similarity index 97%
rename from 
docs/zh-CN/docs/sql-manual/sql-functions/string-functions/from_base64.md
rename to 
docs/zh-CN/docs/sql-manual/sql-functions/string-functions/from-base64.md
index 4758cdd2c6..34a6c488e5 100644
--- a/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/from_base64.md
+++ b/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/from-base64.md
@@ -1,6 +1,6 @@
 ---
 {
-    "title": "from_base64",
+    "title": "FROM_BASE64",
     "language": "zh-CN"
 }
 ---
diff --git a/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/hex.md 
b/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/hex.md
index b15ceaa2f8..5854a36de9 100644
--- a/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/hex.md
+++ b/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/hex.md
@@ -1,6 +1,6 @@
 ---
 {
-    "title": "hex",
+    "title": "HEX",
     "language": "zh-CN"
 }
 ---
diff --git 
a/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/initcap.md 
b/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/initcap.md
index cee32f2b08..b80e1b4611 100644
--- a/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/initcap.md
+++ b/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/initcap.md
@@ -1,6 +1,6 @@
 ---
 {
-    "title": "initcap",
+    "title": "INITCAP",
     "language": "zh-CN"
 }
 ---
diff --git a/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/instr.md 
b/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/instr.md
index b3b7e0155f..91957db363 100644
--- a/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/instr.md
+++ b/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/instr.md
@@ -1,6 +1,6 @@
 ---
 {
-    "title": "instr",
+    "title": "INSTR",
     "language": "zh-CN"
 }
 ---
diff --git a/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/lcase.md 
b/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/lcase.md
index 38fb37b586..6a6a1091cd 100644
--- a/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/lcase.md
+++ b/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/lcase.md
@@ -1,6 +1,6 @@
 ---
 {
-    "title": "lcase",
+    "title": "LCASE",
     "language": "zh-CN"
 }
 ---
diff --git a/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/left.md 
b/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/left.md
index 469d3caf0e..69e3bba867 100644
--- a/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/left.md
+++ b/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/left.md
@@ -1,6 +1,6 @@
 ---
 {
-    "title": "left",
+    "title": "LEFT",
     "language": "zh-CN"
 }
 ---
diff --git 
a/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/length.md 
b/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/length.md
index f9c9499c42..eae4d51953 100644
--- a/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/length.md
+++ b/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/length.md
@@ -1,6 +1,6 @@
 ---
 {
-    "title": "length",
+    "title": "LENGTH",
     "language": "zh-CN"
 }
 ---
diff --git 
a/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/like/like.md 
b/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/like/like.md
index 06bdaf2dab..c5e6aa2c3f 100644
--- a/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/like/like.md
+++ b/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/like/like.md
@@ -1,6 +1,6 @@
 ---
 {
-    "title": "like",
+    "title": "LIKE",
     "language": "zh-CN"
 }
 ---
diff --git 
a/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/like/not_like.md 
b/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/like/not-like.md
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index c7efbb8f41..45d2055c9a 100644
--- a/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/like/not_like.md
+++ b/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/like/not-like.md
@@ -1,6 +1,6 @@
 ---
 {
-    "title": "not like",
+    "title": "NOT LIKE",
     "language": "zh-CN"
 }
 ---
diff --git 
a/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/locate.md 
b/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/locate.md
index c7a85e20cd..3ec0eef35c 100644
--- a/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/locate.md
+++ b/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/locate.md
@@ -1,6 +1,6 @@
 ---
 {
-    "title": "locate",
+    "title": "LOCATE",
     "language": "zh-CN"
 }
 ---
diff --git a/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/lower.md 
b/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/lower.md
index 1a52d4e03d..0e7800ebf4 100644
--- a/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/lower.md
+++ b/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/lower.md
@@ -1,6 +1,6 @@
 ---
 {
-    "title": "lower",
+    "title": "LOWER",
     "language": "zh-CN"
 }
 ---
diff --git a/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/lpad.md 
b/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/lpad.md
index 5eb72465fe..631ee8406c 100644
--- a/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/lpad.md
+++ b/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/lpad.md
@@ -1,6 +1,6 @@
 ---
 {
-    "title": "lpad",
+    "title": "LPAD",
     "language": "zh-CN"
 }
 ---
diff --git a/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/ltrim.md 
b/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/ltrim.md
index 26c8367120..cd2d6c9dca 100644
--- a/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/ltrim.md
+++ b/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/ltrim.md
@@ -1,6 +1,6 @@
 ---
 {
-    "title": "ltrim",
+    "title": "LTRIM",
     "language": "zh-CN"
 }
 ---
diff --git 
a/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/mask/mask_first_n.md
 
b/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/mask/mask-first-n.md
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docs/zh-CN/docs/sql-manual/sql-functions/string-functions/mask/mask-first-n.md
index 980f3461b4..b1dae49523 100644
--- 
a/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/mask/mask_first_n.md
+++ 
b/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/mask/mask-first-n.md
@@ -1,6 +1,6 @@
 ---
 {
-    "title": "mask_first_n",
+    "title": "MASK_FIRST_N",
     "language": "zh-CN"
 }
 ---
diff --git 
a/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/mask/mask_last_n.md 
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index 4f1e12f269..4c72d4e653 100644
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a/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/mask/mask_last_n.md
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b/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/mask/mask-last-n.md
@@ -1,6 +1,6 @@
 ---
 {
-    "title": "mask_last_n",
+    "title": "MASK_LAST_N",
     "language": "zh-CN"
 }
 ---
diff --git 
a/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/mask/mask.md 
b/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/mask/mask.md
index c013bb73bc..425b68bb81 100644
--- a/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/mask/mask.md
+++ b/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/mask/mask.md
@@ -1,6 +1,6 @@
 ---
 {
-    "title": "mask",
+    "title": "MASK",
     "language": "zh-CN"
 }
 ---
diff --git 
a/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/money_format.md 
b/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/money-format.md
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index 0470807f0b..17f297d55c 100644
--- a/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/money_format.md
+++ b/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/money-format.md
@@ -1,6 +1,6 @@
 ---
 {
-    "title": "money_format",
+    "title": "MONEY_FORMAT",
     "language": "zh-CN"
 }
 ---
diff --git 
a/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/not_null_or_empty.md
 
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index 89d0cb0b88..93301d3353 100644
--- 
a/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/not_null_or_empty.md
+++ 
b/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/not-null-or-empty.md
@@ -1,6 +1,6 @@
 ---
 {
-    "title": "not_null_or_empty",
+    "title": "NOT_NULL_OR_EMPTY",
     "language": "zh-CN"
 }
 ---
diff --git 
a/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/null_or_empty.md 
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index e05e10d50f..08d4f13150 100644
--- a/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/null_or_empty.md
+++ b/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/null-or-empty.md
@@ -1,6 +1,6 @@
 ---
 {
-    "title": "null_or_empty",
+    "title": "NULL_OR_EMPTY",
     "language": "zh-CN"
 }
 ---
diff --git 
a/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/parse_url.md 
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--- a/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/parse_url.md
+++ b/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/parse-url.md
@@ -1,6 +1,6 @@
 ---
 {
-    "title": "parse_url",
+    "title": "PARSE_URL",
     "language": "zh-CN"
 }
 ---
diff --git 
a/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/regexp/not_regexp.md
 
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index 7e7bb278c5..3e9a052890 100644
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a/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/regexp/not_regexp.md
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b/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/regexp/not-regexp.md
@@ -1,6 +1,6 @@
 ---
 {
-    "title": "not regexp",
+    "title": "NOT REGEXP",
     "language": "zh-CN"
 }
 ---
diff --git 
a/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/regexp/regexp_extract_all.md
 
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index 7d71b74bc7..4e3e6176ba 100644
--- 
a/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/regexp/regexp_extract_all.md
+++ 
b/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/regexp/regexp-extract-all.md
@@ -1,6 +1,6 @@
 ---
 {
-    "title": "regexp_extract_all",
+    "title": "REGEXP_EXTRACT_ALL",
     "language": "zh-CN"
 }
 ---
diff --git 
a/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/regexp/regexp_extract.md
 
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index 275113672c..93a5e1a801 100644
--- 
a/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/regexp/regexp_extract.md
+++ 
b/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/regexp/regexp-extract.md
@@ -1,6 +1,6 @@
 ---
 {
-    "title": "regexp_extract",
+    "title": "REGEXP_EXTRACT",
     "language": "zh-CN"
 }
 ---
diff --git 
a/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/regexp/regexp_replace_one.md
 
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index 0910f49b9a..4603042f6d 100644
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b/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/regexp/regexp-replace-one.md
@@ -1,6 +1,6 @@
 ---
 {
-    "title": "regexp_replace_one",
+    "title": "REGEXP_REPLACE_ONE",
     "language": "zh-CN"
 }
 ---
diff --git 
a/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/regexp/regexp_replace.md
 
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index df3e654478..50a14ff7a0 100644
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b/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/regexp/regexp-replace.md
@@ -1,6 +1,6 @@
 ---
 {
-    "title": "regexp_replace",
+    "title": "REGEXP_REPLACE",
     "language": "zh-CN"
 }
 ---
diff --git 
a/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/regexp/regexp.md 
b/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/regexp/regexp.md
index f4e690c08c..c6000a2a12 100644
--- a/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/regexp/regexp.md
+++ b/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/regexp/regexp.md
@@ -1,6 +1,6 @@
 ---
 {
-    "title": "regexp",
+    "title": "REGEXP",
     "language": "zh-CN"
 }
 ---
diff --git 
a/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/repeat.md 
b/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/repeat.md
index def735035b..c29bf90aa3 100644
--- a/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/repeat.md
+++ b/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/repeat.md
@@ -1,6 +1,6 @@
 ---
 {
-    "title": "repeat",
+    "title": "REPEAT",
     "language": "zh-CN"
 }
 ---
diff --git 
a/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/replace.md 
b/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/replace.md
index 4b88f11868..a5b85cef93 100644
--- a/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/replace.md
+++ b/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/replace.md
@@ -1,6 +1,6 @@
 ---
 {
-    "title": "replace",
+    "title": "REPLACE",
     "language": "zh-CN"
 }
 ---
diff --git 
a/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/reverse.md 
b/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/reverse.md
index ac4a48b3be..93778c0200 100644
--- a/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/reverse.md
+++ b/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/reverse.md
@@ -1,6 +1,6 @@
 ---
 {
-    "title": "reverse",
+    "title": "REVERSE",
     "language": "zh-CN"
 }
 ---
diff --git a/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/right.md 
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index 6bd774f230..ddcb3eac09 100644
--- a/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/right.md
+++ b/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/right.md
@@ -1,6 +1,6 @@
 ---
 {
-    "title": "right",
+    "title": "RIGHT",
     "language": "zh-CN"
 }
 ---
diff --git a/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/rpad.md 
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index 2bd4ce329f..3e64a0b76c 100644
--- a/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/rpad.md
+++ b/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/rpad.md
@@ -1,6 +1,6 @@
 ---
 {
-    "title": "rpad",
+    "title": "RPAD",
     "language": "zh-CN"
 }
 ---
diff --git a/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/rtrim.md 
b/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/rtrim.md
index aed5b7668d..c7fd986be6 100644
--- a/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/rtrim.md
+++ b/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/rtrim.md
@@ -1,6 +1,6 @@
 ---
 {
-    "title": "rtrim",
+    "title": "RTRIM",
     "language": "zh-CN"
 }
 ---
diff --git 
a/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/search/multi_match_any.md
 
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index 4f0d1e7991..ddab2872a1 100644
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b/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/search/multi-match-any.md
@@ -1,6 +1,6 @@
 ---
 {
-    "title": "multi_match_any",
+    "title": "MULTI_MATCH_ANY",
     "language": "zh-CN"
 }
 ---
diff --git 
a/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/search/multi_search_all_positions.md
 
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index 27f60f1b59..94cbd287c6 100644
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@@ -1,6 +1,6 @@
 ---
 {
-    "title": "multi_search_all_positions",
+    "title": "MULTI_SEARCH_ALL_POSITIONS",
     "language": "zh-CN"
 }
 ---
diff --git a/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/sleep.md 
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index 3a3e6280fa..1e27786975 100644
--- a/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/sleep.md
+++ b/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/sleep.md
@@ -1,6 +1,6 @@
 ---
 {
-    "title": "sleep",
+    "title": "SLEEP",
     "language": "zh-CN"
 }
 ---
diff --git a/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/space.md 
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index 4ca7fe6958..800091ef09 100644
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+++ b/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/space.md
@@ -1,6 +1,6 @@
 ---
 {
-    "title": "space",
+    "title": "SPACE",
     "language": "zh-CN"
 }
 ---
diff --git 
a/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/split_by_string.md 
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index 3dec556c8f..3b2f3fe8a9 100644
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a/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/split_by_string.md
+++ 
b/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/split-by-string.md
@@ -1,6 +1,6 @@
 ---
 {
-    "title": "split_by_string",
+    "title": "SPLIT_BY_STRING",
     "language": "zh-CN"
 }
 ---
diff --git 
a/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/split_part.md 
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index 0291ae29ca..f9ae6e994e 100644
--- a/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/split_part.md
+++ b/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/split-part.md
@@ -1,6 +1,6 @@
 ---
 {
-    "title": "split_part",
+    "title": "SPLIT_PART",
     "language": "zh-CN"
 }
 ---
diff --git 
a/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/starts_with.md 
b/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/starts-with.md
similarity index 98%
rename from 
docs/zh-CN/docs/sql-manual/sql-functions/string-functions/starts_with.md
rename to 
docs/zh-CN/docs/sql-manual/sql-functions/string-functions/starts-with.md
index ac351ac05a..7f70696aab 100644
--- a/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/starts_with.md
+++ b/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/starts-with.md
@@ -1,6 +1,6 @@
 ---
 {
-    "title": "starts_with",
+    "title": "STARTS_WITH",
     "language": "zh-CN"
 }
 ---
diff --git 
a/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/strleft.md 
b/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/strleft.md
index 9df09a2928..0ff35427c8 100644
--- a/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/strleft.md
+++ b/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/strleft.md
@@ -1,6 +1,6 @@
 ---
 {
-    "title": "strleft",
+    "title": "STRLEFT",
     "language": "zh-CN"
 }
 ---
diff --git 
a/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/strright.md 
b/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/strright.md
index 8e10c6215b..80a41bf930 100644
--- a/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/strright.md
+++ b/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/strright.md
@@ -1,6 +1,6 @@
 ---
 {
-    "title": "strright",
+    "title": "STRRIGHT",
     "language": "zh-CN"
 }
 ---
diff --git 
a/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/sub_replace.md 
b/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/sub-replace.md
similarity index 98%
rename from 
docs/zh-CN/docs/sql-manual/sql-functions/string-functions/sub_replace.md
rename to 
docs/zh-CN/docs/sql-manual/sql-functions/string-functions/sub-replace.md
index 4442472434..fff511f4ef 100644
--- a/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/sub_replace.md
+++ b/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/sub-replace.md
@@ -1,6 +1,6 @@
 ---
 {
-"title": "sub_replace",
+"title": "SUB_REPLACE",
 "language": "zh-CN"
 }
 ---
diff --git 
a/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/substr.md 
b/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/substr.md
index 7b3b6e0ca0..f2ee9ac35a 100644
--- a/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/substr.md
+++ b/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/substr.md
@@ -1,6 +1,6 @@
 ---
 {
-"title": "substr",
+"title": "SUBSTR",
 "language": "zh-CN"
 }
 ---
diff --git 
a/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/substring_index.md 
b/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/substring-index.md
similarity index 98%
rename from 
docs/zh-CN/docs/sql-manual/sql-functions/string-functions/substring_index.md
rename to 
docs/zh-CN/docs/sql-manual/sql-functions/string-functions/substring-index.md
index f328c08003..dc802ca0b4 100644
--- 
a/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/substring_index.md
+++ 
b/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/substring-index.md
@@ -1,6 +1,6 @@
 ---
 {
-"title": "substring_index",
+"title": "SUBSTRING_INDEX",
 "language": "zh-CN"
 }
 ---
diff --git 
a/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/substring.md 
b/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/substring.md
index b172ba3c44..e5366c0238 100644
--- a/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/substring.md
+++ b/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/substring.md
@@ -1,6 +1,6 @@
 ---
 {
-    "title": "substring",
+    "title": "SUBSTRING",
     "language": "zh-CN"
 }
 ---
diff --git 
a/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/to_base64.md 
b/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/to-base64.md
similarity index 97%
rename from 
docs/zh-CN/docs/sql-manual/sql-functions/string-functions/to_base64.md
rename to docs/zh-CN/docs/sql-manual/sql-functions/string-functions/to-base64.md
index 56805ae86a..bcc3dd09f7 100644
--- a/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/to_base64.md
+++ b/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/to-base64.md
@@ -1,6 +1,6 @@
 ---
 {
-    "title": "to_base64",
+    "title": "TO_BASE64",
     "language": "zh-CN"
 }
 ---
diff --git a/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/trim.md 
b/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/trim.md
index 61f7148135..5f8d352bb4 100644
--- a/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/trim.md
+++ b/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/trim.md
@@ -1,6 +1,6 @@
 ---
 {
-    "title": "trim",
+    "title": "TRIM",
     "language": "zh-CN"
 }
 ---
diff --git a/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/ucase.md 
b/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/ucase.md
index ccef94797b..dfb726699b 100644
--- a/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/ucase.md
+++ b/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/ucase.md
@@ -1,6 +1,6 @@
 ---
 {
-    "title": "ucase",
+    "title": "UCASE",
     "language": "zh-CN"
 }
 ---
diff --git a/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/unhex.md 
b/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/unhex.md
index 8f4aa12329..e4f10bfc08 100644
--- a/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/unhex.md
+++ b/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/unhex.md
@@ -1,6 +1,6 @@
 ---
 {
-    "title": "unhex",
+    "title": "UNHEX",
     "language": "zh-CN"
 }
 ---
diff --git a/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/upper.md 
b/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/upper.md
index 997f8d002b..fa0529e140 100644
--- a/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/upper.md
+++ b/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/upper.md
@@ -1,6 +1,6 @@
 ---
 {
-    "title": "upper",
+    "title": "UPPER",
     "language": "zh-CN"
 }
 ---
diff --git a/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/uuid.md 
b/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/uuid.md
index 29339d1d6b..8b86863c75 100644
--- a/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/uuid.md
+++ b/docs/zh-CN/docs/sql-manual/sql-functions/string-functions/uuid.md
@@ -1,6 +1,6 @@
 ---
 {
-    "title": "uuid",
+    "title": "UUID",
     "language": "zh-CN"
 }
 ---


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