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Topcoder SRM 687 (Div 2) 250.Quorum
In one organization they have n different committees. The organization has a very large number of employees. Each employee is a member of each committee. Each committee has a quorum: the smallest number of members that have to be present to have an officia...
分类:其他好文   时间:2016-04-15 02:17:37    阅读次数:215
oracle学习 第一章 简单的查询语句 ——03
1.1最简单的查询语句 例 1-1 SQL> select * from emp;例 1-1 结果 这里的 * 号表示所有的列,它与在select 之后列出所有的列名是一样的。查询语句以分号( ; )结束。emp(employee)是一个员工表。 1.2 在查询语句中如何选择特定的列 在平时的使用过程中我们需要的往往只是一张表中的某一条或者某几条数据而已,但上面查询的结果...
分类:数据库   时间:2016-04-11 12:32:43    阅读次数:165
[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 column for the department Id. The Department table hol ...
分类:其他好文   时间:2016-04-08 07:46:32    阅读次数:189
Database 181. Employees Earning More Than Their Managers
描述: The Employee table holds all employees including their managers. Every employee has an Id, and there is also a column for the manager Id. Given th ...
分类:数据库   时间:2016-04-07 20:49:44    阅读次数:195
[LeetCode] Employees Earning More Than Their Managers 员工挣得比经理多
The Employee table holds all employees including their managers. Every employee has an Id, and there is also a column for the manager Id. Given the Em ...
分类:其他好文   时间:2016-04-05 12:27:24    阅读次数:176
java——对象的克隆
对象的克隆 当拷贝一个变量时,原始变量与拷贝变量引用同一个对象,这就就是说,改变一个变量所引用的对象将会对另外一个变量产生影响。如下图: clone()方法是object类的一个proteced方法,也就是说,在用户编写的代码中不能直接调用它。只有Employee类才能克隆Employee对象。默认 ...
分类:编程语言   时间:2016-04-03 23:41:07    阅读次数:213
[LeetCode] Second Highest Salary 第二高薪水
Write a SQL query to get the second highest salary from the Employee table. For example, given the above Employee table, the second highest salary is  ...
分类:其他好文   时间:2016-04-03 07:20:40    阅读次数:135
[LeetCode] Nth Highest Salary 第N高薪水
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 where n = ...
分类:其他好文   时间:2016-04-03 07:13:20    阅读次数:127
第三次java
class Employee{ int number; String name; int xinshui; int zengzhang; public void tell(){ System.out.println("编号:"+number+",姓名:"+name+",薪水:"+xinshui+", ...
分类:编程语言   时间:2016-03-31 20:22:25    阅读次数:234
第三次作业
class Employee{ int number; String name; int xinshui; int zengzhang; public void tell(){ System.out.println("编号:"+number+",姓名:"+name+",薪水:"+xinshui+", ...
分类:其他好文   时间:2016-03-30 12:26:09    阅读次数:120
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