Every SQL Server database has a transaction log that records all transactions and the database modifications that are made by each transaction. The transaction log is a critical component of the database and, if there's a system failure, the transaction log might ...
ApexSQL Log is asql server transaction log readerwhich reads online transaction logs, detached transaction logs and transaction log backups – both native and natively compressed. When needed, it will also read database backups to get enough data for a successful reconstruction. It can replay data...
Writer将读取到的数据写入订阅,并更新MSreplication_subscriptions表的transaction_timestamp列。然后Reader会继续用新的LSN来读取后续的数据,再传递给Writer,如此往复。 如果我们手工更新transaction_timestamp列,将这个值设置为当前正在执行的大事务的LSN,那么distribution agent就会不读取这个大事务,而是将其跳过了。 下面以...
TheLog Reader Agentis responsible for monitoring the SQL Server transaction log in the publisher database and copy these transactionsfrom the transaction log fileof that database to the distribution database, to be copied to the subscribers by the distribution agent later, as shown below: Note:Pl...
The Log Reader Agent monitors the transaction log of each database configured for transactional replication and copies the transactions marked for replication from the transaction log into the distribution database. For more information, see How Transactional Replication Works....
The Log Reader Agent monitors the transaction log of each database configured for transactional replication and copies the transactions marked for replication from the transaction log into the distribution database. For more information, seeHow Transactional Replication Works. ...
The Log Reader Agent monitors the transaction log of each database configured for transactional replication and copies the transactions marked for replication from the transaction log into the distribution database. For more information, seeHow Transactional Replication Works. ...
進程無法在 'Server name > ' 上執行 ' < sp_replcmds'。 <時間戳記 > spid258 錯誤:14151,嚴重性:18,狀態:1。 <時間戳記 > spid258 Replication-Replication Transaction-Log 讀取器子系統:代理程式 logreadername 失敗。 進程無法在 'Server name > ' 上執行 ' < sp_replcmds'。
The transaction log contains a lot of useful data that can be read using a third-party transaction log reader (it can be read manually but with extreme effort though). The transaction log is also a must when it comes to point in time recovery, so don’t just throw it away, but make...
If the subscriber database is not reachable, the SQL Server Agent jobs is in stop state, the Agent jobs associated with the replication process is not working or simply the log agent reader activities are slow, all SQL Server Transaction Log records that are not replicated yet will stay part...