SQL Server

Sophomore began to learn the database, the beginning of the database installed, the results of the first section of the database experiment is to teach us to install the database, and to be installed on their own machine, but also to test reports

This article is written very well, very useful ~ Thank You blog shareIn peacetime development, often encounter database SQL Server such as import mdf,ldf file problem, below to introduce you how to do, hope to help you.Tools/Materials SQL

Select from [OUTER] JOIN on The table before the join can be seen as the left table, and then the table is the right table.An external connection is essentially a containment. The records that are explicitly included depend on which side of the

SQL Server currently has 3 main protocols: Shared Memory, TCP/IP, and Named PipeSharedmemory:The fastest and simplest protocol for Shared memory, a client that uses the Sharedmemory protocol can only connect to a SQL Server instance on the same

http://www.flybi.net/question/4070Liang Yong- Day Smart Intelligent Microsoft BI Chief LecturerDatabase backup file Restore This error occurs because there are multiple files with the same name in the Restore directory., you just need to change the 2

Cause of the problem: Most recently done project DB data volume is relatively large (basically one months of data is 1 billion), while the project proc parameter contains ID stitching string, id stitching string format: 1,2,4,5,100,301. When

Source: The process of referencing DLLs in SQL Serverreferencing DLLs in SQL Server is a two-step process1. Create a DLL file2. Put the DLL file into the SQL Server assembly. Then define a function that can be used to refer to the functions in the

SET ANSI_NULLS onGOSET QUOTED_IDENTIFIER ONGO-- =============================================--Author:--Create Date: --Description:-- =============================================Alter PROCEDURE [dbo]. [Canceltable]AsBEGINDECLARE @cul intDECLARE

Today wrote a SQL to get three times to calculate success, is previously written sq himself l never noticed, left joinDECLARE @SendIntervalDays int, @OrderIntervalDays int, @OrderDate DATETIMESET @SendIntervalDays = 7--SMS Send Interval daysSET

SQL SERVER If the uninstallation is not clean, it will cause the next installation failure, the following is the steps to uninstall, I tried many times, can be completely uninstalled clean. Of course, some of the following steps may be omitted. 1.

--whether the library existsif exists (select * from Master.. sysdatabases where Name=n ')print ' exists 'Elseprint ' NOT EXISTS '--Determine if the name of the table to be created exists, delete itif exists (SELECT * from dbo.sysobjects WHERE id =

With treeAs(SELECT Dwpid, dwid,1 as X2LEVEL,DWMC,/*cast (DWMC as NVARCHAR (max)) x2name,*/CAST (+dwid as NVARCHAR (max)) x2idFrom CF_XZDWWHERE dwpid = ' 0 'UNION AllSELECT c.dwpid, C.dwid, Tree.x2level + 1,C.DWMC,/*cast (REPLICATE ('-', X2level * 4)

Database for SQL Server to do performance testing, in the Internet to find a lot of is introduced RML utilities, at that time on the Internet to see some other people's test results, feel this tool is magical, so dark determination must take the

SQL Server Stored ProceduresA stored procedure in Transact-SQL, very similar to a method in the Java language, can be called repeatedly. After the stored procedure executes once, the statement can be cached so that the statements in the cache are

Original: SQL Server determines if a field exists in the tableFunction: Determine if a field exists in the table, and if it does not exist, add the fieldStatement:IF not EXIST (SELECT 1 from [DATABASE]. SYS. syscolumns WHERE id=object_id ([database].

The main use of Jsqlparser, in front of a blog introduced:Java-sql Parsing tool Jsqlparser simple to useIn order to add support for SQL Server to the MyBatis page plug-in, this is a standalone tool that relies only on jsqlparser.This class is not

Create DATABASE Testgouse testgocreate table t1 (SID int identity () NOT NULL primary KEY,SNO int. NOT null,sname varchar ( ) Goinsert into T1 (sno,sname) VALUES (101, "Wind") goalter DATABASE [test] SET RECOVERY simple with No_waitgoalter Databa SE

A long time ago when we write SQL, the most feared one thing is the SQL inexplicable wonderful super slow, slow is a pipe back, the small ball is still turning ... This worry is only for the partiesUnderstand, later heard that there is a "evaluation

Recently installed SQL Server 2008, encountered a lot of Wang have common problems---"SQL server2008 installation Prompt restart of the computer failed "There are many solutions on the internet, such as http://jingyan.baidu.com/article/a24b33cd52a0b9

In-depth understanding of table scanning in SQL Server and SQL A long time ago when we were writing SQL, the most feared thing was that SQL was inexplicably super slow. The slow thing was that the ball was still turning back... It was only the