"Carl W. Brown" wrote: > Jianping, > > > In fact, Oracle 8.0 development started in 1992 and it was > > released in 1994, > > which should be much earlier than NT 5.0. > > > Back then I was still using Oracle 7. Thank you for correcting me. What > made you chose UTF-8 back in 1992? > Oracle 7 supports UTF-8 as Oracle character set AL24UTFFSS which was encoding for Unicode 1.0 or 1.1. We made a decision then to support Unicode 2.0 in which we have to use a new character set for it as Hangul codepoint reallocation. That's UTF8 comes from in Oracle 8.0. > > Is part of the problem that you use UCS-2 for CLOBs and UTF-8 for other data > giving you two sorting sequences in the same database? > Sorting sequence was one of the considerations, but more important was the compatibility: that it should be compatible with Oracle 7, major OS, and other major database vendors implementation for UTF-8 or UCS-2. Regards, Jianping. > > Carl
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