头歌OpenGauss数据库-F.连接查询与子查询第3关：IN、ANY、ALL嵌套子查询

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select position,salary from tb_salary where 
salary > ALL 
(select salary from tb_salary where position='Java');

select position,salary from tb_salary where salary 
> ANY (select salary from tb_salary where position='Java');

select position,salary from tb_salary where salary 
IN (select salary from tb_salary where position='Java');
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