SQL Server

1. Use the index to traverse the table more quickly.The index established by default is a non-clustered index, but sometimes it is not optimal. Under a non-clustered index, the data is physically randomly stored on the data page. A reasonable index

SQL Server 2012 Getting Started diagram: Build table, Backup, restore _. NET Tutorial Network--Simple and professional. NET Technology Web siteHttp://www.soaspx.com/dotnet/sql/sql2012/sqlserver212_20120504_9079.htmlAuthor: Wang YujieEstablish your

What is a table partitionIn general, when we create a database table, the table data is stored in a file.However, if it is a partitioned table, the table data will be divided into different files according to the rules you specify, splitting a large

RAISERROR is made up of Word raise errorraise to increase or improve;The role of RAISERROR: RAISERROR is used to throw an error. [The following information is from the help of SQL Server 2005]Its syntax is as follows:RAISERROR ({msg_id | msg_str |

Original: SQL Server performance Optimization (i)--IntroductionFirst, the reasons for performance optimization:It sounds a bit superfluous, but let's say it in detail:1, cost savings: Here the cost is not necessarily money, but basically can be

Original: SQL Server R2 Security Topic (i): Security principlesThis series is mainly focused on SQL Server 2005 after the DBMS, because I work with the R2, so now for the R2 to explain:On the principle of protecting SQL Server security:

Original: http://blog.csdn.net/tjvictor/article/details/5251463?? Log Sequence Number (LSN) is the number of each record in the transaction log. When you perform a backup, some LSN values are stored both in the file itself and msdb: The Backupset

The "cause of the problem" SQL Server service cannot be edited as long as it is started."Workaround-1":1) in the Start-Run dialog box, enter "Services.msc" to display the following interface:2) Close the selected service as above3) Copy MDF, LDF

Original: http://blog.csdn.net/tjvictor/article/details/5253931?when SQL Server when the transaction log is truncated, it simply marks the virtual log file so that it is no longer used, and then prepares it for reuse as a backup ( if carried in a

Original: http://blog.csdn.net/tjvictor/article/details/5256906?The end of the transaction log often commits transaction log content that is not backed up by the database. Basically, every time you perform a transaction log backup, you are

A network-related or instance-specific error occurred while establishing a connection to SQL Server. The server was not found or could not be accessed. Verify that the instance name is correct, and that SQL Server is configured to allow remote

Exception in thread "main" Java.lang.ExceptionInInitializerErrorat Com.wolf.execise.util.HibernateUtil.buildSessionFactory (hibernateutil.java:22) at Com.wolf.execise.util.hibernateutil. (hibernateutil.java:10) at Com.wolf.execise.test.SessionTest.

DescriptionMany transactions of the system need a document number, and document number in order to get the same thing is a headache! ~the general Document number format is: prefix + date + number (for example: KK20150501000001)Now for the simulation

This article was reproduced from: http://www.cnblogs.com/zhangq723/archive/2012/03/13/2394102.htmlThe Breeze seeks the dreamIn SQL Server, for data security reasons, you need to back up the database on a regular basis. And the backup database is

A nasty bug was encountered when installing SQL Server today. ------------------------------------------------------------------------------------------------Installation Environment: Windows Server R2 Enterprise SP1 installation media:

The concept of replicationReplication is the technique of copying a set of data from one data source to multiple data sources, which is an effective way to publish a piece of data to multiple storage sites. Using replication technology, users can

PrefaceIn database queries, we often use tables to connect queries, and I use these tables to connect to queries myself at work. And just now I haven't figured out what kinds of database table connections are there,These kinds of table connection

/*by Dylan sun*/If you want to backup and restore one database in SQL Server.Firstly, create a shared folder, and add everyone with read/write right.Secondly, backup your database.You can use the following script:Backup Database DatabaseName to disk

　　 in the space review of my 2014, from life, technology, family and other parties to face their own summary analysis, but also give themselves an account. Also want to write a special blog on the 2014 rookie of the Technical Road memoirs, but

SQL Server Technology Insider notes collectionHair This article is mainly convenient for everyone to find my note entry, convenient for everyone O (∩_∩) oMicrosoft SQL Server 6.5 Technical Insider