mysql中in可以支持多个字段吗

本篇内容主要讲解"mysql中in可以支持多个字段吗"，感兴趣的朋友不妨来看看。本文介绍的方法操作简单快捷，实用性强。下面就让小编来带大家学习"mysql中in可以支持多个字段吗"吧!

1. 基本用法

select * from user where user_id in (600,601,602);

2. 多个字段同时使用

select * from user where (user_id,type) in ((568,6),(569,6),(600,8));

3. 多表同时多个字段使用

select         * from user where    (legal_id,type) not in         (            select                 a.legal_id,a.type        from                 user as a , role_user_relation as b          where                 a.legal_id=b.legal_id and a.type=b.legal_type    ) limit 0,10;

SELECT    Department.name AS 'Department',    Employee.name AS 'Employee',    SalaryFROM    Employee        JOIN    Department ON Employee.DepartmentId = Department.IdWHERE    (Employee.DepartmentId , Salary) IN    (   SELECT            DepartmentId, MAX(Salary)        FROM            Employee        GROUP BY DepartmentId        )       

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