Hi, Im trying to complete a list of jobs using SQL Querries and some "if else" commands but im stucked in some steps. Could any of you give me some help?
-in COLUMN1 change the format 20JAN2000:00:00:00 to 20JAN2000 and exclude every row that date is different from 20. -extract the first character in COLUMN2 and creat COLUMN3 with that value ex: COL2,COL3 135,1 461,4 247,2 -in every row in which COL3=5, value in COLUMN4=value in COLUMN5 -create COLUMN7 where if COLUMN6="north" then COLUMN7 value="N" else COLUMN7 value="X" Ill be grateful for any help, thnks -- View this message in context: http://www.nabble.com/Some-SQL-Challenges-tp24795946p24795946.html Sent from the R help mailing list archive at Nabble.com. ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
