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xuthus / 数据库SQL实战SQLMIT

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xuthus authored 2019-08-13 08:38 . revise:content revision

查找employees表

题目描述

查找employees表所有emp_no为奇数,且last_name不为Mary的员工信息,并按照hire_date逆序排列

CREATE TABLE `employees` (
`emp_no` int(11) NOT NULL,
`birth_date` date NOT NULL,
`first_name` varchar(14) NOT NULL,
`last_name` varchar(16) NOT NULL,
`gender` char(1) NOT NULL,
`hire_date` date NOT NULL,
PRIMARY KEY (`emp_no`));

答案

select * from employees where last_name != 'Mary' and emp_no % 2 = 1 order by hire_date desc

题解

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