SQL Server

sql2008 no longer supports BACKUP LOG database name with NO_LOG statementBACKUP Log with No_logTruncation of transaction log sql2008 prompt error followsBACKUP LOG database name with NO_LOGMSG 3032, Level A, state 2, line 1This statement does not

　　　Can be used in Sybase's Db-lib or Ct-lib library, which also contains an ODBC library. Allows many applications to connect to Sybase or Microsoft's SQL Server;Using FreeTDS under WindowsWhat is FreeTDS? FreeTDS is actually an open source (or can

Under the SQL Server standard read COMMITTED isolation level, a read operation is blocking each other from a write operation. Uncommitted read (READ UNCOMMITTED) Although there is no such blocking, read operations may read dirty data, which is

1.sql Server Download installation package path: HTTP://PAN.BAIDU.COM/S/1QWUZDDQ2. Installation process illustration tutorial, reference URL: http://jingyan.baidu.com/album/948f592434b407d80ef5f97d.html?picindex=13Secret key:SQL Server 2008 Serial

first, Getting started with SQL statements1. SQL statements are statements that are specific to the DBMS "talk", and the SQL syntax is recognized by different DBMS.2. The string in the SQL statement is enclosed in single quotation marks.3. SQL

Statistical information is used by the query optimizer to create query plans that improve query performance by using statistics.Statistics are the object of the database, and the statistics provided are information about the table or indexed

Common SQL--View the number of table recordsSELECT a.id, B.[name], a.rowcnt from sysindexes A, sys.tables b WHERE a.id = b.[object_id] and A.indid --View File groupsSELECT name, data_space_id file group ID, size/128 [File Size

SELECT DBO.YGB.YGBM, DBO.YGB.YGXM, DBO.YGB.YGXB, Dbo.ygb.ygmz, Dbo.ygb.sfid, dbo.ygb.zzmm, DBO.YGB.YGSR,Year ( GETDATE ()) – Year (DBO.YGB.YGSR) as YGNL, DBO.YGB.GZSJ,Case if ygxb = ' 1 ' then DATEDIFF (day, GETDATE (), DATEADD (year, year, YGSR))

Sometimes it comes down to the need for row-to-column (that is, the column's value as the column name), which I usually do with the case END + aggregate function.As follows:Declare @t table (studentname nvarchar), Subject nvarchar (+), score int)

An important application scenario for SQL Server Profiler is to monitor the analysis deadlock.Here's an example to learn how profiler monitors deadlocks.1. Create test data to simulate deadlocks, create tables table_a and table_b , and insert test

1 , phenomenon, problem descriptionCustomer reflects that a client can not login, the client program log display "Connection database timeout"; Check the corresponding database server, the log shows "autogrow of file" a database log file ' in the

Today ssms Debug SQL when script, abrupt error: Unable to start T-SQL debugging. Could not attach-to-SQL Server process on----Think about the recent computer has nothing to change. In addition to the domain created yesterday in the computer, and

scenario, the incremental backup of SQL Server is done on a full-scale backup basis, and if recovery is needed, it is necessary to restore the full amount of backup before restoring the corresponding incremental backup file.For example, we have a

The SQL Server timestamp data type is independent of time and date. SQL Server Timestamp is a binary number that indicates the relative order in which data modifications occur in the database. The implementation of the timestamp data type was

In SQL Server queries, inadvertently hidden data type conversions can cause great query performance problems, such as a simple condition that looks like there is no problem: WHERE c = N ' x ', if the data type of c is varchar, and the table contains

SQL determines if stored procedure exists SQL code for database tutorialif exists(Select * fromsys.databaseswhereName=' database name ')Drop Database [Database name] if exists(Select * fromsys.databaseswhereName=' database name ')Drop Database

Source: http://www.cnblogs.com/nbpowerboy/p/3380079.htmlThe company has been using SharePoint 2010 for more than three years, and the BPM project also has more than 2 years, before the vendor's deployment of the SharePoint database is on a physical

The use of SQL Server as a database application system, will not be able to sometimes create a deadlock, after the deadlock, the maintenance personnel or developers will mostly only through the sp_who to find the deadlock process, and then killed

Analysis of SQL Server execution plan cache (below ), In the previous article, we introduced the execution plan cache (I) in SQL Server. This article will continue to introduce you to the SQL Server execution plan cache knowledge. Let's take a look

Processing Methods for statistics of auto-increment key columns and statistical methods This article explains how to handle the statistics of auto-incrementing key columns in the form of text code. We all know that each statistical object in SQL