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搜索关键字:nth highest salary    ( 1735个结果
#Leetcode# 176. Second Highest Salary
https://leetcode.com/problems/second-highest-salary/ Write a SQL query to get the second highest salary from the Employee table. For example, given th ...
分类:其他好文   时间:2019-05-11 16:30:36    阅读次数:101
#Leetcode# 627. Swap Salary
https://leetcode.com/problems/swap-salary/ Given a table salary, such as the one below, that has m=male and f=female values. Swap all f and m values ( ...
分类:其他好文   时间:2019-05-11 16:12:03    阅读次数:133
IT兄弟连 JavaWeb教程 JSP经典案例
案例需求:定义一个javaBean叫XdlUser,有四个字段int id、String name、int age、double salary。写一个jsp页面,在页面中构建一个列表对象,里面存放几个XdlUser类型的对象。 案例实现: ● XdlUser类 package com.xdl.bea ...
分类:编程语言   时间:2019-05-10 11:11:48    阅读次数:129
MySQL中关联查询相关语句
-- emp和job查询 SELECT t1.`id`, t1.`ename`, t1.`salary`, t2.`jname`, t2.`descriptions` FROM emp t1,job t2,dept t3 WHERE t1.`job_id`=t2.`id`AND t3.`id`=t1... ...
分类:数据库   时间:2019-05-02 23:14:27    阅读次数:170
获取分组后统计数量最多的纪录;limit用法;sql执行顺序
CREATE TABLE emp(id INT PRIMARY KEY,NAME VARCHAR(11),dep_id INT ,salary INT); CREATE TABLE dept(id INT PRIMARY KEY,NAME VARCHAR(11),parentid INT); 获取各 ...
分类:数据库   时间:2019-04-30 01:02:21    阅读次数:186
You can't specify target table 'e' for update in FROM clause
UPDATE emp e SET e.salary=e.salary+7 WHERE e.id IN(SELECT e1.id FROM emp e1,dept d WHERE e1.dep_id=d.id AND d.name='开发一部' AND e1.salary<2000); 不能先sele ...
分类:其他好文   时间:2019-04-29 22:31:03    阅读次数:146
L362 When to Bring up Salary During the Job Interview Process
Money is an awkward topic of conversation for many professionals—even more so when you’re busy trying to make a positive impression on a prospective e ...
分类:其他好文   时间:2019-04-27 09:52:24    阅读次数:134
25.Remove Nth Node From End of List(删除链表的倒数第n个节点)
Given a linked list, remove the *n*-th node from the end of list and return its head. ...
分类:其他好文   时间:2019-04-26 11:10:31    阅读次数:148
oracle篇 之 组函数
一,常见组函数 1 . avg:求平均值,操作数值类型 2.sum:求和,操作数值类型 3.min:求最小值,操作任意类型 4.max:求最大值,操作任意类型 select avg(salary),sum(salary),min(salary),max(salary) from s_emp; 5.c ...
分类:数据库   时间:2019-04-23 21:20:01    阅读次数:176
Oracle篇 之 子查询
子查询:先执行内部再外部 Select last_name,salary,dept_id From s_emp Where dept_id in ( Select dept_id From s_emp Where dept_id is not null ); Select last_name,dep ...
分类:数据库   时间:2019-04-23 20:43:28    阅读次数:190
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