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xuthus / 数据库SQL实战SQLMIT

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52.获取Employees中的first_name.md 534 Bytes
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xuthus authored 2019-08-12 23:23 . add:all

获取Employees中的first_name

题目描述

获取Employees中的first_name,查询按照first_name最后两个字母,按照升序进行排列

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 first_name from employees  order by substr(first_name,-2) asc

题解

字符串函数substr的使用

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