10.10.6 Cyrillic Character Sets
The Cyrillic character sets and collations are for use with Belarusian, Bulgarian, Russian, Ukrainian, and Serbian (Cyrillic) languages.
cp1251(Windows Cyrillic) collations:
cp866(DOS Russian) collations:
koi8r(KOI8-R Relcom Russian) collations:
koi8u(KOI8-U Ukrainian) collations: