使用查询语句时,携带collate utf8_bin
在SQL语句中使用collate
使用collate子句,能够为一个比较覆盖任何默认校对规则。collate可以用于多种SQL语句中,比如where,having,group by,order by,as,聚合函数。
mysql> select * from t1 where name collate utf8_bin = 'ABC'; +------+ | name | +------+ | ABC | +------+ 1 row in set (0.00 sec) mysql> select * from t1 where name = 'ABC';+------+| name |+------+| ABC || Abc || abc |+------+3 rows in set (0.00 sec)
来源:https://www.cnblogs.com/dpf-10/p/6381639.html