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InterBase 2007: UPPER and collations (and a trick to specify the character set for string literals)

The Wiert Corner – One of the applications that I’m currently involved with will in the future be used in different European countries. Since it is developed in Delphi 2007, and uses InterBase 2007 we have chosen to use the ISO8859_15 character set: it is a single byte character set very similar to ISO8859_1, but supports the euro sign (€) and some other characters (Š, š, Ž, ž, Œ, œ and Ÿ). When testing, we found out that UPPER would not always function as we expected. Hence below some explanation about how UPPER behaves depending on the character sets and collation sequences you specify. Note: most of ...
Favorite? Off-Topic? jpluimers @ 2009-12-01 05:00


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