SQLServer中临时表的一则使用
1.SQLServer的创建脚本如下：
USE [master]
GO
/****** Object: Database [test] Script Date: 10/29/2009 17:43:10 ******/
CREATE DATABASE [test] ON PRIMARY
( NAME = N'test', FILENAME = N'D:\Program Files\Microsoft SQL Server\MSSQL10.MSSQLSERVER\MSSQL\DATA\test.mdf' , SIZE = 3072KB , MAXSIZE = UNLIMITED, FILEGROWTH = 1024KB )
LOG ON
( NAME = N'test_log', FILENAME = N'D:\Program Files\Microsoft SQL Server\MSSQL10.MSSQLSERVER\MSSQL\DATA\test_log.ldf' , SIZE = 1024KB , MAXSIZE = 2048GB , FILEGROWTH = 10%)
GO
ALTER DATABASE [test] SET COMPATIBILITY_LEVEL = 100
GO
IF (1 = FULLTEXTSERVICEPROPERTY('IsFullTextInstalled'))
begin
EXEC [test].[dbo].[sp_fulltext_database] @action = 'enable'
end
GO
ALTER DATABASE [test] SET ANSI_NULL_DEFAULT OFF
GO
ALTER DATABASE [test] SET ANSI_NULLS OFF
GO
ALTER DATABASE [test] SET ANSI_PADDING OFF
GO
ALTER DATABASE [test] SET ANSI_WARNINGS OFF
GO
ALTER DATABASE [test] SET ARITHABORT OFF
GO
ALTER DATABASE [test] SET AUTO_CLOSE OFF
GO
ALTER DATABASE [test] SET AUTO_CREATE_STATISTICS ON
GO
ALTER DATABASE [test] SET AUTO_SHRINK OFF
GO
ALTER DATABASE [test] SET AUTO_UPDATE_STATISTICS ON
GO
ALTER DATABASE [test] SET CURSOR_CLOSE_ON_COMMIT OFF
GO
ALTER DATABASE [test] SET CURSOR_DEFAULT GLOBAL
GO
ALTER DATABASE [test] SET CONCAT_NULL_YIELDS_NULL OFF
GO
ALTER DATABASE [test] SET NUMERIC_ROUNDABORT OFF
GO
ALTER DATABASE [test] SET QUOTED_IDENTIFIER OFF
GO
ALTER DATABASE [test] SET RECURSIVE_TRIGGERS OFF
GO
ALTER DATABASE [test] SET DISABLE_BROKER
GO
ALTER DATABASE [test] SET AUTO_UPDATE_STATISTICS_ASYNC OFF
GO
ALTER DATABASE [test] SET DATE_CORRELATION_OPTIMIZATION OFF
GO
ALTER DATABASE [test] SET TRUSTWORTHY OFF
GO
ALTER DATABASE [test] SET ALLOW_SNAPSHOT_ISOLATION OFF
GO
ALTER DATABASE [test] SET PARAMETERIZATION SIMPLE
GO
ALTER DATABASE [test] SET READ_COMMITTED_SNAPSHOT OFF
GO
ALTER DATABASE [test] SET HONOR_BROKER_PRIORITY
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package com.wfy.system.dao;
import java.sql.CallableStatement;
import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Types;
......
SQLServer2005通过intersect,union,except和三个关键字对应交、并、差三种集合运算。
他们的对应关系可以参考下面图示
相关测试实例如下：
use tempdb
go
if (object_id ('t1' ) is not null ) drop table t1
if (object_id ('t2' ) is not null ) drop table t2
go
cre ......
对数据库进行多表操作，如果表与表之间存在依赖，那么显式的使用事务，可以保持对数据库操作的原子性。用Python访问SqlServer数据库，我使用pymssql库。今天在使用这个库的时候，发现一个问题。
问题大概是这样的：
我有两张表，一张主表（ClassInfo），一张从表（Student），Student表通过外键ClassID与ClassI ......
declare @areaid varchar(100)
declare @areaname varchar(100)
declare Cur cursor for
select code as areaID,[name] as areaName from dbo.province
open Cur
Fetch next from Cur Into @areaid,@areaname
While @@fetch_status=0
Begin
print('insert into ......
SQL Server数据库设计表和字段
2009/02/18 12:29
1. 原始单据与实体之间的关系
可以是一对一、一对多、多对多的关系。在一般情况下，它们是一对一的关系：即一张原始单据对应且只对应一个实体。在特殊情况下，它们可能是一对多或多对一的关系，即一张原始单证对应多个实体，或多张原始单证对应一个实体。这里的实体� ......
