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-------------------------------------------------------------- WITH Emp AS ( SELECT E.Dept_Id , Count(*) Emp_Count FROM Employees E GROUP BY E.Dept_Id ) SELECT D.Dept_Name ... 阅读全文
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insert into city --找出Hotel表中不存在于city表中的城市名 select DISTINCT rtrim(ltrim(cityname)) from Hotel e WHERE not EXISTS (SELECT * FROM city eb WHERE eb.cityname=e.cityname) -----------------------------... 阅读全文
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-- ============================================= -- 电子商务模板 -- ============================================= USE master GO -- Drop the database if it already exists IF EXISTS ( SELECT n... 阅读全文
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using System; using System.Data;using System.Collections;using System.Collections.Generic;using System.Configuration; using System.Web; using MSXML2... 阅读全文
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using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Linq; using Syste... 阅读全文
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SoftReg类: using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Management; namespace SoftRegis... 阅读全文