我想选取users表中姓名包含"szo"或者"szö"的数据 所以写了以下代码: select * from users where name like '%sz[oö]%' 数据库有这样的数据 但是返回值是0 尝试 select * from users where name like '%szo%' or name like '%szö%' 有结果 请问这两个有什么不一样?
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