TL;DR MySQL 5.7 MySQL 8.0 çé¢ç®ãªèª¬æ Unicode 㨠UTF-16, UTF-8 MySQL ã¸ã®å¿ç¨ ãã¼ã¿ãã¼ã¹ãµã¼ãã¼ã® character set ãã¼ã¿ãã¼ã¹ãµã¼ãã¼ã® collation MySQL 5.7 collation: utf8mb4_general_ci collation: utf8mb4_bin collation: utf8mb4_unicode_ci MySQL 8.0 collation: utf8mb4_0900_ai_ci collation: utf8mb4_0900_bin collation: utf8mb4_general_ci collation: utf8mb4_ja_0900_as_cs collation: utf8mb4_ja_0900_as_cs_ks collation: utf8mb4_unico
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