有关详细信息,请参阅《Tail-Log Backups (SQL Server)》(结尾日志备份 (SQL Server))。 还原最新完整数据库备份而不恢复数据库 (RESTORE DATABASEdatabase_nameFROMbackup_deviceWITH NORECOVERY)。 如果存在差异备份,则还原最新的差异备份而不恢复数据库 (RESTORE DATABASEdatabase_na...
1.停掉Server SQL服务 2.删除数据库文件(MDF文件) 此时在SSMS中访问数据库TestBackUp会出现不可用: 此时,因为SQL Server实例可用,通过在T-SQL语句指定NO_TRUNCATE选项(必须指定,否则无法备份尾端日志),备份尾端日志: 依次进行完整备份恢复,和两次事务日志恢复,可以看到数据已经成功恢复到灾难点: 当SQL Server实例崩...
适用范围:SQL Server 本文仅与使用完整恢复模式或大容量日志恢复模式的 SQL Server 数据库的备份和还原相关。 “结尾日志备份”捕获尚未备份的任何日志记录(日志尾部),以防工作丢失并确保日志链完好无损。 在将 SQL Server 数据库恢复到其最近一个时间点之前,必须先备份数据库的事务日志。 结尾日志备份是数据库恢复计...
the log), to prevent work loss and to keep the log chain intact. Before you can recover a SQL Server database to its latest point in time, you must back up the tail of its transaction log. The tail-log backup is the last backup of interest in the recovery plan for the database. ...
System.Data.SqlClient.SqlError: The tail of the log for the database "d_lisa_Program_dev01_v5000" has not been backed up. Use BACKUP LOG WITH NORECOVERY to backup the log if it contains work you do not want to lose. Use the WITH REPLACE or WITH STOPAT clause of the RESTORE statem...
USE msdb ; SELECT backup_set_id , backup_start_date , backup_finish_date , backup_size , recovery_model , [type] FROM dbo.backupset WHERE database_name = 'TestDB' 1. 2. 3. 4. 5. 6. 7. 8. 9. 清单5.1:是否进行日志备份?
Restore failed for Server ‘SQL Server name‘. (Microsoft.SqlServer.Smo) Additional information: System.Data.SqlClient.SqlError: The tail of the log for the database “dbName” has not been backed up. Use BACKUP LOG WITH NORECOVERY to backup the log if it ...
还原前进行结尾日志备份。并非所有还原方案都要求执行结尾日志备份。 有关详细信息,请参阅《Tail-Log Backups (SQL Server)》(结尾日志备份 (SQL Server))中的Scenarios That Require a Tail-Log Backup(需要结尾日志备份的场景)。 如果存在与数据库的活动连接,则还原操作可能会失败。 选中“关闭现有连接”选项以确...
1 BACKUP LOG DatabaseNameTO DISK ='FileLocation\DatabaseName_Log.bak'; 1. 存储日志备份 很明显,数据和日志文件备份不应该和服务器存储在同个硬盘。如果那个硬盘硬件失败的话,你的所有备份会和原数据文件一起丢失,备份就没用了。文件应该备份到独立的设备,或备份到本地另一个硬盘或网络映射硬盘。
The tail-log backup process is a common scenario where we intend to migrate very large databases within a short outage window. For example, if you were planning to shut off a database at one location, and then restore it on a different server, the last thing you would want to do before...