SQL Server

In a project test, we might use batch-generated data to test the program's performance.Here is a question I encountered, because we bulk generated data is almost instantaneous, so the getdate () function is basically the same time, and we ask to

Text: Third--Part II--sixth Article monitoring SQL Server mirroringOriginal source: http://blog.csdn.net/dba_huangzj/article/details/26846203To optimize, first to monitor to see if there is a performance problem, if so, where. In order to start the

Original: SQL Server 2008 Technical Insider--t-sql query notes1, SQL Programming has many unique features, such as: set-oriented thinking mode, query elements of the logical processing sequence, three-valued logic. If you do not have the knowledge

Original: Use SQL Server audit to monitor the activation and disabling of triggersUsage scenarios:Sometimes it is found that the business logic in the trigger is not executed, possibly due to a logic error in the trigger. But sometimes it is because

Original: Execute multiple scripts in SQL Server using sqlcmdOverview:As a dba, it is often necessary to update the official database with the SQL scripts provided by the developer, but a more reasonable development process may already have hundreds

Page pagesEach page 8KB, a continuous 8 pages called a district extents,For example, a DB area of 2.18MB is approximately2.18 MB (2,293,760 bytes) =2,293,760b/8kb=280 pages = 35 districtsA page can only be owned by one objectView which file belongs

in the previous blog "MySQL 5.6.22 installation Tutorial", we introduced the installation of MySQL. Today we'll focus on how to import external SQL Server data in MySQL, in short, how we can migrate data from a SQL Server database to a MySQL

Set TRANSACTION Isolation Level XXX--each setting is only for the current transaction blockXXX Value:READ UNCOMMITTEDREAD COMMITTEDRepeatable READSNAPSHOTSERIALIZABLETest1 table data is as follows:Update the Name for AAAAA now and set the 2-minute

CREATE functionDbo.regexreplace (@source ntext,--Original String@regexp varchar( +),--Regular Expressions@replace varchar( +),--Replace value@globalReplace bit = 1,--whether it is a global replacement@ignoreCase bit = 0 --whether to ignore uppercase

A generic virtual host provider provides customized database space by restricting the size of the database file. This restriction still exists when you restore files from a virtual database space back to your own server.Locate the database fileJust

The first thing to understand is logical reading and physical reading: Pre-read: Use the estimated information to go to the hard disk to read the data to the cache. Pre-read 100 times, which is estimated to read 100 pages of data from the

Reprint: http://www.cnblogs.com/angestudy/archive/2012/06/04/2533548.htmlMss2sql:http://files.cnblogs.com/andrew-blog/mss2sql.rarTo open a compressed package after downloadRun Mss2sqlThe default is move to MysQL server directly, select NextGo on,

In SQL Server replication (Replication), it is possible that the need for a new table or some tables to an existing replication (publish subscription) may occur due to changes in business requirements, which should be normal and common. However, in

Weekend finally moved out of the rental, installed broadband .... Only to find the days without the net ... What a kind of isolation it is ... Can't stand that kind of day anymore .... Well, since the netAnn's up, and I have to go on with this

Due to the widespread use of SQLServer2000, many companies also want to use the new SQL Server to directly "detach/Attach" or "Backup/restore" the database to be stored between different versions. The issue of incompatible versions is often

1, MySQL in the footsteps of SQL to a semicolon (;) end, this is more rigorous than SQL Server.2. All keywords must be added ', such as status replaced by ' status ', ' by the key '.3. The dbo of SQL Server. [,] not supported in MySQL, should be

Distribution and subscription of distributed developmentPublish subscription: Data real-time backup synchronizationSoftware environment: SQL server2008 R2Hardware environment: Depending on the amount of data and the tasks assigned by the

WhatSQL SERVER2005 replication is a scheme that maintains data structure and content synchronization updates between different databases.Consists of three parts: the Publisher: Contains the database that needs to be published, that is, the source

SQL InjectionAbout the harm of SQL injection here is not much to do introduction, I believe we also know the strong relationship among them. Here are some SQL injection events that everyone interested can look atThere are several ways to prevent SQL

setup.exe/q/iacceptsqlserverlicenseterms/action=install/pid=748rb-x4t6b-mrm7v-rtvff-chc8h/features=sql,as,rs,is,tools/instancename=mssqlserver/sqlsvcaccount= "Test\sql"/sqlsvcpassword= "[email protected]"/sqlsysadminaccounts=