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使用关键字 binary
示例:
mysql> select 'a'='A', 'a' <=>'A' , binary 'a' = 'A'; +---------+------------+------------------+ | 'a'='A' | 'a' <=>'A' | binary 'a' = 'A' | +---------+------------+------------------+ | 1 | 1 | 0 | +---------+------------+------------------+ 1 row in set (0.03 sec)
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