Write a SQL query to get the second highest salary from the Employee table.

+----+--------+

| Id | Salary |

+----+--------+

| 1  | 100    |

| 2  | 200    |

| 3  | 300    |

+----+--------+

For example, given the above Employee table, the second highest salary is 200. If there is no second highest salary, then the query should return null.

 SELECT MAX(Salary) FROM Employee WHERE Salary < (SELECT MAX(Salary) FROM Employee)

Second Highest Salary的更多相关文章

  1. [LeetCode] Department Highest Salary 系里最高薪水

    The Employee table holds all employees. Every employee has an Id, a salary, and there is also a colu ...

  2. [LeetCode] Nth Highest Salary 第N高薪水

    Write a SQL query to get the nth highest salary from the Employee table. +----+--------+ | Id | Sala ...

  3. [LeetCode] Second Highest Salary 第二高薪水

    Write a SQL query to get the second highest salary from the Employee table. +----+--------+ | Id | S ...

  4. LeetCode 176 Second Highest Salary mysql,select 嵌套 难度:1

    https://leetcode.com/problems/second-highest-salary/ Write a SQL query to get the second highest sal ...

  5. leetcode Database3（Nth Highest Salary<—>Consecutive Numbers<—>Department Highest Salary）

    一.Nth Highest Salary Write a SQL query to get the nth highest salary from the Employee table. +----+ ...

  6. TSQL Beginners Challenge 1 - Find the second highest salary for each department

    很久以前准备写的系列文章,后来因为懒一直耽搁着,今天突然决定继续下去,于是有了这篇文章,很基础,但很常用.题目描述依然拷贝.简单来说就是找出个个部门薪水排名第二的人,排名相同的要一起列出来. Intr ...

  7. Leetcode 176. Second Highest Salary

    Write a SQL query to get the second highest salary from the Employee table. +----+--------+ | Id | S ...

  8. find the Nth highest salary（寻找第N高薪水）

    Suppose that you are given the following simple database table called Employee that has 2 columns na ...

  9. [SQL]LeetCode176. 第二高的薪水 | Second Highest Salary

    Write a SQL query to get the second highest salary from the Employee table. +----+--------+ | Id | S ...

  10. [SQL]LeetCode177. 第N高的薪水 | Nth Highest Salary

    Write a SQL query to get the nth highest salary from the Employee table. +----+--------+ | Id | Sala ...

随机推荐

  1. Levenberg-Marquardt优化算法以及基于LM的BP-ANN

    一.LM最优化算法     最优化是寻找使得目标函数有最大或最小值的的参数向量.根据求导数的方法,可分为2大类.(1)若f具有解析函数形式,知道x后求导数速度快.(2)使用数值差分来求导数.根据使用模 ...

  2. IE和W3c盒模型

    盒子模型是css中一个重要的概念,理解了盒子模型才能更好的排版.其实盒子模型有两种,分别是 ie 盒子模型和标准 w3c 盒子模型.他们对盒子模型的解释各不相同,先来看看我们熟知的标准盒子模型: 从上 ...

  3. day18-事务与连接池 6.事务隔离级别与解决问题

    开两个cmd窗口,相当于两个事务. read-uncommitted这种级别是解决不了任何问题的,它什么情况都能出现.刚才演示了脏读,再演示就出现了不可重复读. read-committed隔离级别能 ...

  4. C++使用RabbitMQ类库做客户端与RabbitMQ Server通讯，生成C++可调用的rabbimq.*.dll的过程

    Step: download the latest rabbitmq-c via: https://github.com/alanxz/rabbitmq-c follow the document, ...

  5. uva 10934 Dropping water balloons

    你有k个一模一样的水球,在一个n层楼的建筑物上进行测试,你想知道水球最低从几层楼往下丢可以让水球破掉.由于你很懒,所以你想要丢最少次水球来测出水球刚好破掉的最低楼层.(在最糟情况下,水球在顶楼也不会破 ...

  6. 6.7 安装ant

    准备好安装包: 安装vim: 解压: tar -xzvf apahce-ant-1.10.1-bin.tar.gz 这里,我将apache-ant-1.10.1-bin.tar.gz复制并解压到了/h ...

  7. Struts2学习第三课 Action

    action  VS  Action类 action:代表一个Struts2的请求 Action类:能够处理struts2请求的类. 属性的名字必须遵守与JavaBean属性名相同的命名规则. 属性的 ...

  8. Spring入门第六课

    XML配置里的Bean自动装配 Spring IOC容器可以自动装配Bean.需要做的仅仅是在<bean>的autowire属性里指定自动装配的模式 ByType(根据类型自动装配):若I ...

  9. highcharts图表的上钻下钻，下钻数据，与回取数据

    通常图表在下钻之后,会点返回,返回之后,可能需要调用上钻回调事件,在drillup事件里获取上钻数据,然后对需要联动进行操作: chart: { type: 'column', events: { d ...

  10. docker17.09.1-ce 执行systemctl resart docker重启失败的问题

    记录在实际操作中碰到的docker问题 环境信息: 安装完kolla ocata版本,并且编译成功各openstack 组件的容器镜像 [root@localhost ~]# docker --ver ...