MySQL、MyBatis——Illegal mix of collations for operation 'like'

  當模糊查詢爲或，不論是「時間類型的字段」還是「字符串類型字段」，都可以查到對應列表的所有值，這樣看的話，問題是不存在的~ 其實有錯誤： Illegal mix of collations for operation 'like' select nd.*,emp.empId as id,emp.empName from NoticeDetail nd inner join employee em

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