<ГК> utf8_unicode_ci (with no version named) is based on UCA 4.0.0 weight keys >(http://www.unicode.org/Public/UCA/4.0.0/allkeys-4.0.0.txt). utf8_unicode_520_ci is based on UCA 5.2.0 weight keys (http://www.unicode.org/Public/UCA/5.2.0/allkeys.txt).
Инфа — 3%
+ 0 −