Here are a couple of additional notes on doing a caseless search.
You will also likely want to do a "no accents" search for words such as communiqué and resumé (or is it résumé?)
A reasonable solution for a "no accents" function is:
CONVERT(char, 'US7ASCII', 'WE8ISO8859P1')...
This is easy to do. You can even do it across database links. This is actual code that I used to check a database copied from one instance to another. There were differences caused by incompatible charactersets. This doesn't look for things in S2 that are not in S1.
First you want to know...
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