2021年4月2日
2
摘要： Illegal mix of collations (utf8mb4_general_ci,IMPLICIT) and (utf8mb4_0900_ai_ci,IMPLICIT) for operation '='") 阅读全文
posted @ 2021-04-02 13:57 papering 阅读(42) 评论(0) 推荐(0)
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摘要： ALTER TABLE `t1` ADD COLUMN `bid` VARCHAR(32) NOT NULL DEFAULT '' AFTER `id`; UPDATE t1 AS s SET s.bid=(SELECT bid FROM t2 AS w WHERE w.id=s.id ); UPD 阅读全文
posted @ 2021-04-02 09:26 papering 阅读(146) 评论(0) 推荐(0)