single-user mode. For more information about the DBCC SHRINKFILE, see the section stated performing DBCC SHRINKDATABASE or dbccshrinkfile when using Tempdb.1. Determine the desired size of the master data file (tempdb.mdf), log file (templog.ldf), and/or other files added to tempdb. Make sure that the space used in these files is less than or equal to the desired target size.2. Connect to SQL Server with Q
Library name with NO_LOG2. Truncate transaction logBACKUP LOG database name with NO_LOG3, shrink the database file (if not compressed, the database file will not be reduced)Enterprise Manager--right--the database you want to compress--all tasks--shrink the database--Shrink the file--Select Log file--in the contraction of the choice to shrink to XXM, here will give a permit to shrink to the minimum m number
One method: Clear logs.1. Open the query analyzer and enter the commandDump transaction database name with no_log2. open the Enterprise Manager and right-click the database you want to compress -- all tasks -- shrink database -- shrink file -- Select log file -- select to shrink to xxm In the shrink mode, here we will provide a minimum number of M that can be reduced. Enter this number directly and click OK
SQL in use every query will generate a log, but if you do not go to clean up, it may be full of hard, the author encountered such a situation, the direct site backstage are not going to go. Let's learn how to clean this log together.
SQL2005 Empty Delete log:
Copy code code as follows:
Backup
Log cleanup methods under SQL Server 2008 (2011-07-14 10:30:45) Transfer from http://blog.sina.com.cn/s/blog_4bdd3d0b0100wfvq.html
Tags: it
Every time the database log to see the explosion of some big head, so random search a way to get rid of the log, the next big head, and search f
Method 1,-- In the query analyzer, select the database for which logs are to be cleared and execute the following SQLBackup log database name with no_logDBCC shrinkfile (Log File Name or log file ID, the target size to be reduced)Under the current databaseSelect fileid, groupid, name from sysfiles where groupid = 0/*--
Tags: style blog http ar color OS using SP filesIntroductionThe transaction log in SQL Server is undoubtedly one of the most important parts of SQL Server. Because SQL Server uses transaction logs to ensure persistence (durability) and transaction rollback (Rollback). This also partially ensures the acid properties of
Server
In the process of maintaining SQL Server databases, do you often encounter thousands of log20050901 such as the log table, each table is not a lot of data, one open look is very inconvenient, or sometimes we need to put the data in these tables, One open operation is also very troublesome. Here is a way to automate the merging of tables.
My idea is to create a user stored procedure to complete a seri
An overview
By default, the SQL Server Agent creates error logs to record warnings and errors. The following warnings and errors are displayed in the log:
A warning message that provides information about a potential problem, such as "a job is deleted when it is executed."
Error messages, which typically require system administrator intervention, such as "Unable to start a mail session." You can send an
://www.cnblogs.com/killkill/archive/2009/07/17/1525733.html
Http://dufei.blog.51cto.com/382644/84645
Http://www.cnblogs.com/wangdong/archive/2008/10/24/1318740.html
Ii. database image:
Database image:
The advantage is that the system can automatically detect master server faults and automatically switch to the backup storage.
The disadvantage is that the configuration is complex and the data in the image database is invisible (in SQL Server Management
When the log file is full and the SQL database cannot write the file, you can use either of the following methods:One method: Clear logs.1. Open the query analyzer and enter the commandDump transaction database name with no_log2. open the Enterprise Manager and right-click the database you want to compress -- all tasks -- shrink database -- shrink file -- Select
Ms SQL database log Compression MethodMs SQL performance is very good, but the database has been used for a period of time, the database has become very large, the actual amount of data is not large. It is generally caused by database logs! The growth of database logs can reach several hundred MB.The cost of MSSQL virtual hosts on the Internet is also high. To av
Ms SQL database log Compression Method
Ms SQL performance is very good, but the database has been used for a period of time, the database has become very large, the actual amount of data is not large. It is generally caused by database logs! The growth of database logs can reach several hundred MB.
The cost of MSSQL virtual hosts on the Internet is also high.
results
· The query timed out before the transaction log completes the extension, and you receive a false "Log full" error message
· Transactions that are not replicated
Solving method
When the log file is full and the SQL database cannot write to the file, there are two methods available:
One way: Empty th
Too many VLFsSQLServer database engines divide each physical log file into multiple virtual log files, so that the log management system can easily track which parts can be reused. The transaction log file determines the number of VLFs generated based on the following formula, whether it is automatic or manual growth:
SQL Server has a SQL Profiler that can track SQL statements executed by the server in real time, which is useful when debugging errors in many cases. For example: Other people write complex code, production system, no debugging environment, no original code ...Check the information, My SQL can use the following methods
Tags: style blog http using io strong file dataEvery time the database log to see the explosion of some big head, so random search a way to get rid of the log, the next big head, and search for half a day, so or write a blog, do not look for a mess.1. Set the database to Simple modeSelect the database you want to shrink, right-click Properties---options, select Simple Mode2. Select tasks, shrink-file3. Sele
Common logs for diagnosing SQL Server problems
There are two main:
(1) Windows Event Log
(2) SQL Server ErrorLog
1, Windows Event Log event logs
As a windows open and Managed service program, Windows logs information about the startup, normal shutdown, and shutdown of SQL
Ms SQL performance is very good, but the database has been used for a period of time, the database has become very large, the actual amount of data is not large. It is generally caused by database logs! The growth of database logs can reach several hundred MB.The cost of MSSQL virtual hosts on the Internet is also high. To avoid database overuse, You Have To Compress database logs or delete database logs.Next, I will introduce a method.1. Open the Ent
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