Write a SQL query to get the nth highest salary from the Employee table. For example, given the above Employee table, the nth highest salary ...
The Employee table holds all employees. Every employee has an Id, a salary, and there is also a column for the department Id. The Department table holds all departments of the company. Write a SQL qu ...
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Write a SQL query to get the nth highest salary from the Employee table. For example, given the above Employee table, the nth highest salary ...
Write a SQL query to get the second highest salary from the Employee table. For example, given the above Employee table, the second highest ...
The Employee table holds all employees. Every employee has an Id, and there is also a column for the department Id. The Department table holds ...
题目 The Employee table holds all employees. Every employee has an Id, a salary, and there is also a column for the department Id. ...
(1)第二高薪水 编写一个 SQL 查询,获取 Employee 表中第二高的薪水(Salary) 例如上述 Employee 表,SQL查询应该返回 200 作为第二高的薪水。如果不存在第二高的薪水,那么查询应返回 null。 刚一看题目,觉得很简单的,可是做了一下之后才发现 ...
Given an array A, we may rotate it by a non-negative integer K so that the array becomes A[K], A[ ...
编写一个 SQL 查询,获取 Employee 表中第 n 高的薪水(Salary)。 +----+--------+| Id | Salary |+----+--------+| 1 | 100 || 2 | 200 || 3 | 300 |+----+--------+ 例如上述 ...
题目: 编写一个SQL查询以获得Employee表中第二高的薪水。 例如,给定上面的Employee表,查询应该返回200为第二高薪水。如果没有第二高的薪水,那么查询应该返回null。 难点: limit、offset 见文章 返回null(使用临时表/IFFULL ...