in reply to OT: Sql statemet (how to ignore lower-upper case)

The other option would be to sort or group the values in your Perl code instead of in SQL. Often, I do this because I need to user-defined sorting/grouping and it's easier to do that work in Perl than trying to dynamically generate SQL to do it, especially across multiple databases.

Being right, does not endow the right to be rude; politeness costs nothing.
Being unknowing, is not the same as being stupid.
Expressing a contrary opinion, whether to the individual or the group, is more often a sign of deeper thought than of cantankerous belligerence.
Do not mistake your goals as the only goals; your opinion as the only opinion; your confidence as correctness. Saying you know better is not the same as explaining you know better.

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