利用事务日志来误操作恢复与灾难恢复

误操作引起的恢复方法：

1，备份事务日志

backup log dbName to disk='fileName'
2，恢复以前的全库备份
restore database dbName from disk='fileName' with norecovery
3，恢复最后一个日志备份到指定时间点
restore log dbName from disk='fileName'
with stopat='date_time'

4.恢复数据库状态

RESTORE DATABASE dbName WITH RECOVERY

 

 

灾难恢复方法：

1.备份当前日志尾部

BACKUP LOG dbName TO DISK='fileName' WITH INIT,NO_TRUNCATE

2.恢复以前的全库备份

restore database dbName from disk='fileName' with norecovery

3.恢复事务日志

restore log dbName from disk='fileName' with norecovery

4.恢复数据库状态

RESTORE DATABASE dbName WITH RECOVERY