今日成果:
select * from employees
where salary > (select avg(salary) from employees);
-- 查询超过平均工资的员工select * from clients
where client_id not in (select distinct client_id from invoices);
-- 查询没有发票的用户
感谢各位读者查阅,欢迎各位👍点赞✍评论⭐收藏+关注!
select * from employees
where salary > (select avg(salary) from employees);
-- 查询超过平均工资的员工select * from clients
where client_id not in (select distinct client_id from invoices);
-- 查询没有发票的用户
感谢各位读者查阅,欢迎各位👍点赞✍评论⭐收藏+关注!
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