F fischermx May 4, 2007 #1 I've found several columns like: LoweredUserName LoweredEmail etc Why are this column needed?
G Guest May 4, 2007 #2 "lowered" means "in lower case". I don't know the exact reason but I suspect it is to speed up comparisons. Usually when you want to compare strings you first perform a lower-case conversion on each. Peter
"lowered" means "in lower case". I don't know the exact reason but I suspect it is to speed up comparisons. Usually when you want to compare strings you first perform a lower-case conversion on each. Peter