In MySQL 8.0.1, in addition to new as_cs collations (accent sensitive, case sensitive) for utf8mb4, we have also added a new collation for Japanese. Introducing utf8mb4_ja_0900_as_cs Collating rules for for Japanese are complex. Japanese has multiple writing systems with katakana, hiragana, kanji, romaji. On top of that, for a single character, there are fullwidth and halfwidth symbols. For exam