stevenzwu commented on code in PR #11365:
URL: https://github.com/apache/iceberg/pull/11365#discussion_r1862733192


##########
format/view-spec.md:
##########
@@ -97,7 +97,10 @@ Summary is a string to string map of metadata about a view 
version. Common metad
 
 View definitions can be represented in multiple ways. Representations are 
documented ways to express a view definition.
 
-A view version can have more than one representation. All representations for 
a version must express the same underlying definition. Engines are free to 
choose the representation to use.
+A view version can have more than one representation. All representations for 
a version must express the same underlying definition. Engines are free to 
choose the representation to use. For the table identifiers in the view 
definitions to be interoperable across engines, the following must be true:
+* All engines must resolve a fully specified SQL identifier to the same table 
in the same catalog.

Review Comment:
   > Typically default catalog is used when the catalog is omitted.
   When catalog is omitted, it also could be the case of using the same catalog 
where view is defined.
   
   @wmoustafa  I feel here is the key part from Benny's suggestion
   ```
   resolve to the same catalog and table
   ```
   
   Benny's wording reads a little more clear to me because it specify the 
expected behavior under `when` condition. 
   
   



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