sql server clear transaction log

Tags: transactional replication distribution Transactional replicationHow to handle large transaction operations in SQL Server transactional replicationWorking mechanism of transactional replicationTransactional replication is implemented by the SQL Server Snapshot Agent, th

backups, because I have backed up the ZP database two times, and the data files for the two backups are the same. Here we select the most recent time backup The default settings in the database are as follows: Append to the backup set, so there will be two backups, as shown below: Also, set the "Do not rollback" transaction in "Options". Note: Restore the database through the transaction

"Guide" This article focuses on SQL Server 2000, which describes how to use SQL Server log transfer to implement high availability of a database. Clustering is an effective solution for achieving high availability, sometimes counterproductive. And it's very expensive. As a

log on the production database unless you have sufficient reason and sufficient certainty, or ... It's not you who take responsibility. Now that this method is unsafe, I'll introduce a secure approach. As you know, SQL Server automatically truncates the inactive portions of the transaction

Use masterdrop TABLE CustomerCREATE TABLE Customer (ID int PRIMARY KEY,Account decimal Check (account>0),Name varchar (20))--use MasterALTER TABLE Dbo.customerAdd Check (customer.account>0)SELECT * FROM CustomerINSERT into customer values (2012090101,2000, ' Zhang San ');INSERT into customer values (2012090102,1000, ' John Doe ');INSERT into customer values (2012090103,1000, ' Harry ');BEGIN TRANSACTIONDECLARE @sum intSet @sum =0Update customer set account-=200 where customer.id=2012090101Set @s

This article is the fifth of the SQL Server Agent series, please refer to the original text for more information. As mentioned in the previous series, SQL Server Agent jobs are composed of a series of job steps, each of which is executed by a separate type. In the fourth chapter we see that

transaction causes the log to grow, the SQL transaction needs to wait for the log autogrow to complete. The transaction needs to be written to the SQL

A few days ago "read" "Sqlserver2005 Advanced Program Design" and "The introduction of SQL Server 2008 Programming Classic (3rd edition)," The two translations of the Chinese version of the book. found that the directory structure is roughly the same, the content of the explanation is almost the same. There is suspicion of plagiarism. See the "Transaction and loc

Label:1 , phenomenon, problem description Customer 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 database ' a DB ' is cancelled by user or T Imed out after 2391 mi

default first is 0%, the other two is unchecked, Dot OK-If your previous database log file is greater than 1M then look now, is not only 1 m. 3, after the operation--"in the first step, the" failure to restore ", selected" complete ", the legendary SQL Server 2000 has the automatic restore function, That is, if the illegal shutdown factors such as data loss c

Server Role changes, role swaps, and monitoring server location When an online database is shut down (either planned maintenance or unplanned), you might be more comfortable if the database on the standby server is available for access. A well-designed log shipping system that delivers the database

then replace the data file of the new library with the attached failed data file, and then set the database as the Emergency Recovery mode, so that the data can be read in generalALTER DATABASE db_name SET EMERGENCYAfter the database can be read, you can try to set it to ONLINE mode, if successful, then DBCC CHECKDB once, confirm no problemIf you can't online, you probably have to create a new library and then take the data from the contingency mode library to the new library.Special Note: The

Original: SQL Server high-availability log shippingI. Log shipping OverviewSQL Server uses log shipping, which automatically sends a transaction lo