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需要设置collate(校对)规则 collate校对规则说明: *_bin: binary case sensitive collation,区分大小写 *_cs: case sensitive collation,区分大小写 *_ci: case insensitive collation,不区分大小写 通过sql语句设置: alter table table_1 modify field_1 varchar(50) binary comment 'field字段备注' ; 参考: https://blog.csdn.net/weixin_42418755/article/details/113404092 https://blog.csdn.net/lijiechen0101/article/details/120533425
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