JSON（JavascriptObjectNotation）是一种轻量级的数据交换语言，以文字为基础，且易于让人阅读。尽管JSON是在Javascript的一个子集，但JSON是独立于语言的文本格式，并且采用了类似于C语言家族的一些习惯。JSON举例[javascript]viewplaincopyprint?vartxt=‘{"employees":[‘+‘{"..
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Web程序 时间：
2015-03-31 01:03:31
阅读次数：
147
Problem Description
There is going to be a party to celebrate the 80-th Anniversary of the Ural State University. The University has a hierarchical structure of employees. It means that the supervi...
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其他好文 时间：
2015-03-19 22:02:07
阅读次数：
105
方法1：
SQL> select tname from tab wheretabtype='TABLE';
TNAME
------------------------------------------------------------
REGIONS
LOCATIONS
JOB_HISTORY
JOBS
EMPLOYEES
DEPARTMENTS
COUNTRI...
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数据库 时间：
2015-03-19 18:32:09
阅读次数：
168
The “BerCorp” company has got n employees. These employees can use m approved official languages for the formal correspondence. The languages are numbered with integers from 1 to m. For each employee w...
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其他好文 时间：
2015-03-13 23:51:13
阅读次数：
447
TheEmployeetable holds all employees. Every employee has an Id, a salary, and there is also a column for the department Id.+----+-------+--------+----...
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其他好文 时间：
2015-03-11 10:28:01
阅读次数：
111
TheEmployeetable holds all employees including their managers. Every employee has an Id, and there is also a column for the manager Id.+----+-------+-...
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其他好文 时间：
2015-03-10 15:14:17
阅读次数：
118
实体类：员工类：public class Department : ObservableCollection{public string DepName { get; set; } public ObservableCollection Employees { get; set; } }部门类...
Shuffling is a procedure used to randomize a deck of playing cards. Because standard shuffling techniques are seen as weak, and in order to avoid "inside jobs" where employees collaborate with gambler...
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系统相关 时间：
2015-03-05 14:55:12
阅读次数：
197
ISNULL是判断是否为NULL而NULLIF是把值换成NULLCOALESCE是用别的来代替NULLSELECT employee_id,first_name,last_name,NULLIF (SALES_QUOTA,-1) as QuotaFROM employees就是把-1变成 NULLC...
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数据库 时间：
2015-03-05 12:35:33
阅读次数：
222
Problem Description
There is going to be a party to celebrate the 80-th Anniversary of the Ural State University. The University has a hierarchical structure of employees. It means that the superviso...
分类：
其他好文 时间：
2015-02-25 18:44:53
阅读次数：
143
