Transactional Replication启动之后,Distributor上的Log Reader Agent会将读取Publisher的Log信息,并分拣出被标识为replication的INSERT, UPDATE, DELETE语句。此后复制这些Transaction到Distributor,并写入distribution数据库。最后Distribution Agent把Distributor上的Transaction运送到Subscriber进行重放。 注意:在图中Distribution Agent...
Transactional Replication启动之后,Distributor上的Log Reader Agent会将读取Publisher的Log信息,并分拣出被标识为replication的INSERT, UPDATE, DELETE语句。此后复制这些Transaction到Distributor,并写入distribution数据库。最后Distribution Agent把Distributor上的Transaction运送到Subscriber进行重放。 注意:在图中Distribution Agent...
Read the SQL Server transaction logs to audit, rollback or replay database schema and data changes
For more information, see Restore and Recovery Overview (SQL Server).Support transactional replicationThe 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 ...
For more information, see Restore and Recovery Overview (SQL Server). Support transactional replication 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 ...
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 ...
當Microsoft SQL Server 中的複寫記錄讀取器代理程式失敗時,您會在SQL Server記錄檔中收到類似下列的錯誤訊息: <時間戳記 > spid98 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'。 <時間戳記 ...
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...
For more information, see Restore and Recovery Overview (SQL Server).Supporting transactional replicationThe 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 ...
此时,logreader agent 从mysales_normal里读取两条日志文件,然后把它写入到distribution..msrepl_commands中,distribution agent 从该表中读取命令 后写入订阅端相应的vendor表中,但此时连接已中断,我们可以从replication monitor中看到相应的错误信息。 我们可以通过sp_browereplcmds来读取msrepl_commands表中的命令: ...