sql server replication troubleshooting

All these technologies can be used as a means to maintain a backup server. At the same time, this database can be launched when your original primary database has a problem and serve as a new primary server. However, you must remember that replacing the standby server with the online server only completes half of the

.Upgrade the Computer Configuration (recommended, verify OK) 3.4. Query field Add index 3.5. Reduce the field query for select Large.Select only the small field 3.6. Modifying the length of a field may be the result of this:It is estimated that the length of the article is too long to be caused, so find the code db. Addinparameter (DbCommand, "Content", dbtype.ansistring, model. Content);Change it toDb. Addinparameter (DbCommand, "Content", dbtype.string, model. Content);3.7. strSQL and Param ar

PROFESSIONAL SQL SERVER? Internals and Troubleshooting a book (downloadable from here), I think the content is very good. I also want to have a more comprehensive understanding of SQL Server 2012, so look at the translation, and the focus of the content published in the blog

1. How to troubleshoot SQL Server synchronous replicationhttp://blog.csdn.net/roy_88/article/details/414810592. "Synchronous replication common error handling 1" You cannot insert a display value into a table when IDENTITY_INSERT is set to OFF. (Source: MSSQLServer, error code: 544)Note: (The environment should be aware of the default values when sql2005/sql2008

Tags: clean tag exclusive lock nbsp Date started SPI net designationOriginal: SQL Server deadlock troubleshootingRemember the previous customer in the use of software, there are occasional deadlock problems, because the time is uncertain, not good to reproduce the problem, at that time to solve the problem is a bit tricky.Here is a summary of the two common ways to look at deadlocks:The first is the graphic

percentage of time that the instruction waits for CPU resources. If more than 25%, indicates CPU tension Select Convert(Numeric (5,4),sum(Signal_wait_time_ms)/sum(Wait_time_ms)) fromsys.dm_os_wait_stats--calculates the percent of ' cxpacket ' for the total wait time --Cxpacket:sql Server is dealing with a very expensive statement, or there is no proper index or filter condition to filter enough records so that the statement will return a large number

Source: Snapshot folder location lookup for the distribution server of SQL Server replication SQL Serverin the distribution server configuration, you need to configure the snapshot folder (Snapshot Folder), to store the working di

Workaround:One, locate the MSDE directory in the SQL Server installation disk, and click setup.exe to install it.Second, after installation, restart the system windowsxp, you can see the SQL Service icon appears.Third, install the Autorun.exe in the root directory directly, and install the client tools.Follow the prompts to install, knowing that the system is not

transaction executes the specific statement of the transaction.After the main library performs a database operation, the related logs are logged to the binlog of the main library. After the IO thread of the repository receives the Binlog log transferred from the main library, the logs are logged to the relay log, and if the log_slave_updates option is turned on by the standby, the SQL thread logs the Binlog log in the process of replaying relay log.

The concept of SQL Server 2000 replication: A set of techniques for replicating and distributing data and database objects between databases and synchronizing them to ensure their consistency. With replication, you can distribute data to different locations, over a local area network, using a dial-up connection, and d

Label: --Find session ID by job name Select A.spid,a.blocked,b.name,substring (replace (a.program_name, ' Sqlagent-tsql JobStep (Job ', '), 1,34) JobStep, A.last_batchFrom master.dbo.sysprocesses a INNER join Msdb.dbo.sysjobs bOn MASTER.DBO.FN_VARBINTOHEXSTR (CONVERT (varbinary), job_id) = substring (replace (program_name, ' Sqlagent-tsql JobStep (Job ', '), 1,34) --execution plan based on session ID Select A1.session_id,b1.text,a1.query_plan,a1.cpu_time,a1.logical_reads,a1.sql_handle,a1.plan_

aware of the following requirements and considerations: 1. The principal and mirror databases must share the Distributor. It is recommended that you use a remote distributor here, and the remote Distributor can provide greater fault tolerance if the publisher has an unexpected failover. 2. For merge replication, and for transactional replication using read-only Subscribers or queued updating subscriber

Replication Error Troubleshooting Cases Wang Jing is First, configuration error 1. Behavior: SQL Server scheduled Job ' Replication agent check ' (0X8B6402EFE814B543A112E5A5A5FBB8CF)-Status: Failed-invoked on:2007-07-20 08:50:01-Message: Job failed. Unable to determine wh

SQL Server 2008 database replication is a publish/subscribe mechanism for synchronizing data between multiple servers, which we use for synchronous backups of databases. Synchronous backup here refers to the backup server and the primary server for real-time data synchroniza

SQL Server 2008 database replication is a publish/subscribe mechanism for data synchronization between multiple servers, which we use for synchronous backups of the database. Synchronous backup here refers to the backup server and the primary server for real-time data synchr

the Subscriber receives the publication from. There are two types of subscription, the recommended subscription push and pull subscription, in the case of a referral subscription, when the publisher generates an update, the Distributor updates the subscription directly, and the pull subscription requires the subscriber to periodically check the Distributor for available updates and, if there is an available update, the Subscriber updates the data. Type of r