MySQL语句错误：Illegal mix of collations (utf8mb4_0900_ai_ci,IMPLICIT) and (utf8mb4_general_ci,IMPLICIT)
的基础上，把表和字段都调整为utf8mb4_bin，给出修正的例子： ------表修改------ ...
原文：ILLEGAL MIX OF COLLATIONS (UTF8MB4_0900_AI_CI,IMPLICIT) AND (UTF8MB4_GENERAL_CI,IMPLICIT) 错误解决
写了一个查询所有上级的sql SELECT T . ,T .lower count,T .aicp,T .user level FROM SELECT r AS id, SELECT r : invite user FROM fa user WHERE id id AS invite user , l : l AS lvl FROM SELECT r : 用户id , l : vars, fa u ...
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