using System; using System.Data; using System.Configuration; using System.Collections; using System.Web; using System.Web.Security; using System.Web.UI; using System.Web.UI.WebControls; using System.Web.UI.WebControls.WebParts; using System.Web.UI.H
USBDeview is a small utility that lists all USB devices that currently connected to your computer, as well as all USB devices that you previously used. For each USB device, exteneded information is displayed: Device name/descr iption, device type, s
精心收集整理的各种SQL语句示例,帮助您更加容易的熟悉和使SQL。 1 DECLARE @local_variable 1.1 使用 DECLARE 以下示例将使用名为 @find 的局部变量检索所有姓氏以“Man”开头的联系人信息。 USE AdventureWorks; GO DECLARE @find varchar(30); SET @find = 'Man%'; SELECT LastName, FirstName, Phone FROM Person.Contact WHERE L
设计模式速查收藏 有代码 还不错 // example /* */ class Product {}; #ifdef Implementation1 class MyProduct : public Product {}; class YourProduct : public Product {}; class TheirProduct : public Product {}; typedef int ProductId; const int MINE = 1; const int YOURS
SQL常用语句最好用的 --在示例数据库Northwind中,执行数据查询,要求如下: use Northwind go --1、在”Suppliers”表中查询,得到不同的地区有多少家供应商的信息; select sum( SupplierID) 总数,Country 国家 from dbo.Suppliers group by Country --2、在”Suppliers”表中查询,显示哪些供应商有传真; select CompanyName 供应商 from dbo.Suppliers
USBDeview is a small utility that lists all USB devices that currently connected to your computer, as well as all USB devices that you previously used. For each USB device, exteneded information is displayed: Device name/descr iption, device type, s
CREATE TABLE sort( id INT PRIMARY KEY, name VARCHAR (40) NOT NULL ) go CREATE TABLE product( id INT PRIMARY KEY, sortid INT NOT NULL REFERENCES sort(id) ON DELETE CASCADE, name VARCHAR (50) NOT NULL, price VARCHAR NOT NULL, saleprice VARCHAR NOT NUL