> You could use upper() similarly - lower() is better for Unicode data, like
> mine.
John,
thank you. Excellent.
I have database encoding UNICODE. Why lower() is better than upper()?
Andrus.
---------------------------(end of broadcast)---------------------------
TIP 9: In versions below 8.0, the planner will ignore your desire to
choose an index scan if your joining column's datatypes do not
match
