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MySQL DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci utf8mb4_bin utf8mb4_general_ci_charset=utf8mb4 collate =utf8mb4_0900_ai_ci_Ebaugh的博客-CSDN博客
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character encoding - How to convert an entire MySQL database characterset and collation to UTF-8? - Stack Overflow
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character encoding - How to convert an entire MySQL database characterset and collation to UTF-8? - Stack Overflow
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