sql server clear transaction log

Transaction processing is a key issue for all large database products. database vendors have spent a lot of energy in this aspect, different transaction processing methods may cause huge differences in database performance and functions. Transaction processing is also a problem that must be deeply understood by database administrators and database application dev

There are several ways to calculate the growth of its transaction log: DDC Heartbeat Service Information Site Heartbeat Service Information Virtual Machine Work Heartbeat service Information DDC Heartbeat Service Informationeach one the DDC server in XD7 has a heartbeat connection of ten Windowsservice every three seconds to prove that the D

Background Software Programming in Jiri GA is fascinating: getting started with Database Transaction Processing (suitable for beginners)ArticleThe difference between ms SQL Server and Oracle in Database Transaction Processing caused some controversy, So I recorded my thoughts on database

you cannot recover the database or have a recent backup, you can forcibly clear the logs. The consequences of using this method may completely damage the database. Perform the following steps: I. Start SQL Server in-V mode (logs are not detected) Ⅱ modify the database status to-32768 (blocking) Update sysdatabases set status =-32768 where name = Database Na

Myth #1: After a server failover, a running transaction continues to execute Of course it's wrong! Each failover is accompanied by some form of recovery. However, if a connection is disconnected because of a server or instance crash that occurs when a transaction is not being executed,

Myth #1: After a server failover, a running transaction continues to execute Of course it's wrong! Each failover is accompanied by some form of recovery. However, if a connection is disconnected because of a server or instance crash that occurs when a transaction is not being executed,

When the system fails, data logs can be used to restore data to solve database faults. As an SQL Server database administrator, it is important to understand the role of data log files and how to use them to solve common database faults. Since the transaction log is so impor

characters are used@tran_name_variableis a user-defined variable name that contains a transaction name that is used to track distributed transactions in the MS DTC utility. The variable must be declared with a char, varchar, nchar, or nvarchar data type.CommentsThe server executing the BEGIN Distributed TRANSACTION statement is the

due to the lack of transaction log extended space. For more information about how to recover from this situation, see the "insufficient disk space" topic in SQL Server online help. In addition, transaction log extensions may caus

(non-repeated, phantom read may occur) Repeatable read (phantom read may occur) Serializable (with the lowest performance, the range lock will lead to lower concurrency) Snopshot) In short, different isolation levels are achieved by adding different locks, resulting in blocking. Let's look at an example: SQL Server blocks dirty reads by blocking them, so maintaining independence is at the cost

How to manually clear the log First, now we describe in detail how to use Enterprise Manager to clean up the log of SQL 2000: 1, open Enterprise Manager, right click to deal with the database-"attributes-" option-"Failure to restore, select" Simple "-" OK. As shown in figure: 2, right click on the database to be pro

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 full or bulk

Tags: c blog http a int widthHow SQL Server truncates (Truncate) and shrinks (Shrink) transaction log classifications: SQL Server database backup restore 2010-01-25 14:321,708 people read comments (4) ReportWhen

server|window| Error | distributed | Resolving symptoms if you run a linked server query in SQL Server 2000 installed on Windows. NET server, the following error may be returned (even if MSDTC is running on the server): Server:msg

The server transaction log (Transaction logs) is a very important but often overlooked part of the database structure. Because it is not as active as the schema in the database, few people are concerned about the transaction log.

Like Oracle databases, SQL The Server database also has transaction logs. Transaction logs are mainly used to record all transactions and the changes made to the database by each transaction. Transaction logs are one of the most i

click the Add button, connect to the Backup database server, select the corresponding database; in initialize secondary Database window, select "No, the secondary database is initialized"; In the Copy Files window, enter the path to the backup log file (for example, F:\LogBackup) in the Back Up database server In the Restore