SQL Server

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Original: How to identify IO bottlenecks in SQL ServerOriginal from:http://www.mssqltips.com/sqlservertip/2329/how-to-identify-io-bottlenecks-in-ms-sql-server/Problem:We may often encounter a situation where SQL Server databases are shut down

Original: How to identify CPU bottlenecks in SQL ServerOriginal from:http://www.mssqltips.com/sqlservertip/2316/how-to-identify-sql-server-cpu-bottlenecks/Problem:If SQL Server outages are frequently encountered as a result of CPU bottlenecks, how

Original: SQL Server recovers table-level dataIn recent days, the company's technical maintenance staff frequently let me recover the database, because they are always missing the where condition, resulting in update, delete has unrecoverable

Original: SQL Server performance Tuning (i)--judging system resource bottleneck from waiting stateView the status of all SQL Server tasks at that time (sleeping, runnable, or running) through the DMV2005, 2008 provides the following three view Tudon

SQLServer2008 is able to see the subscription to Oracle or DB2 when the subscription is being placed, but there is no indirect interface for copying to MySQL.The end of the test, through MySQL ODBC driver, is able to implement the SQLServer2008 copy

The following columns are available in the table PO: Po#,styel#,color and quantity, where the same po# may have different style#, the same po# and style# may have different color, now the requirement is: po# and style# The color of the same record

1 Use [Mct]2 GO3 /** * * * object:storedprocedure [dbo]. [P_counticcardtradinfo] Script date:05/20/2015 09:04:45 * * * * **/4 SETAnsi_nulls on5 GO6 SETQuoted_identifier on7 GO8 9 ALTER PROCEDURE [dbo].[P_counticcardtradinfo]Ten ( One @bdate

Database: Divided into hierarchical type, network type, relational type. Now, it's usually the relationship type.Commonly used: Sqlserver,oracle,db2,access,visual Foxpro,mysqlsql:structured Query LanguageSQL Server is a large database software that

With regard to the use of SQL Server Profiler, there are already many tutorials on the web, such as this article: SQL Server Profiler: How to use and metrics. Microsoft Official Documentation: https://msdn.microsoft.com/zh-cn/library/ms179428 (v=sql.

if object_id('PROC_DROPTABLEWITHFK') is not NULL beginDrop procdbo. PROC_DROPTABLEWITHFKEndGOCreate procProc_droptablewithfk@PK_tableName nvarchar( -) asbeginDeclareTest_curcursorLocal forSelectO2.name as 'Fk_name', O3.name as 'table_name'

Use [PatPD1]GO/****** object:userdefinedfunction [dbo].    [Fun_getconditioninner] Script DATE:2015/5/9 9:03:38 ******/SET ANSI_NULLS onGOSET QUOTED_IDENTIFIER ONGOALTER function [dbo]. [Fun_getconditioninner] (@Product varchar (20))Returns varchar (

--sqlserver recursive query, mainly used to establish a tree structure if object_id (' Categories ') is not NULL DROP table categoriesgocreate table Categories (C Ategoryid int, CategoryName VARCHAR (), ParentID int) Goinsert into Categories

I. Creating a DatabaseCreate DatabaseTest1--Database name --Master Data File on(Name= 'Test1_data',--Master data file nameFileName= 'F:\SQL_study\test1_data\test1.mdf',--Database storage location, note the suffix is MDF, indicating the

1.SQL TOP clauseThe TOP clause is used to specify the number of records to return.Grammar:Select Top Number/percent column_name (s) from table name2.SQL Like operatorThe LIKE operator is used for the specified pattern in the column in the WHERE

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Question: How does the high-repository restore on a lower version of the instance?Materialized: How is the library created on SQL Server 2008r2 restored on SQL Server 2008?Methods you can try:1. Upgrade/demote SQL Server to match the library version.

A period of time before, for this export data is really painstaking, online find a lot of information have not found.Starting with SQL Server 2008, we can easily export data scripts without the use of stored procedures, but there is a slight

SELECT ( Case whenA.colorder=1 ThenD.nameElse "' End) Table name, A.colorder field ordinal, a.name field name, G.[value] asField Description fromSyscolumns A Left Joinsystypes b onA.xtype=B.xusertypeInner Joinsysobjects D ona.ID=D.id

SQL Server Remote timed backup database script sharing, SQL Server Regular backup of SQL Server databases is often required. It is quite easy to back up data to the local machine on a regular basis and the task can be completed. However, if the