数据库SQL实战 —— 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

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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`));

输入描述:

输出描述:

emp_no birth_date first_name last_name gender hire_date
10011 1953-11-07 Mary Sluis F 1990-01-22
10005 1955-01-21 Kyoichi Maliniak M 1989-09-12
10007 1957-05-23 Tzvetan Zielinski F 1989-02-10
10003 1959-12-03 Parto Bamford M 1986-08-28
10001 1953-09-02 Georgi Facello M 1986-06-26
10009 1952-04-19 Sumant Peac F 1985-02-18

输入

输出

我的代码

运行时间:19ms    占用内存:3424k

SELECT emp_no, birth_date, first_name, last_name, gender, hire_date
FROM employees
WHERE emp_no%2 != 0
    AND last_name IS NOT 'Mary'
ORDER BY hire_date DESC;

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转载自blog.csdn.net/qq_36761831/article/details/83210901