damaged files or filegroups section.Make a full backupAfter the backup is complete, go to the selected directory to view the files.--Full Backup SELECT COUNT (*) from news--79647Insert test data at this point and perform a differential backup--Insert test data declare @index int = 1while (@index Viewing the directory, the file has become larger.Continue insertin
will be close to the full backup size, so this is not suitable. Therefore, the full backup + Log backup solution is suitable for the vast majority of users.Case 3: If you only back up the database locally, you cannot recover the database if the disk is damaged or the entire server hardware is damaged.A: Therefore, you
backup. When it comes to differential backups, because Microsoft's differential backup records the changes that have taken place since the last full backup, if the database changes very often, it won't be long before the differential backup is close to the size of the full backup
backup and recovery, online backup and recovery, logical backup and recovery.Offline backup and recovery, some experts turn to cold backup and recovery, which refers to physical backup
that are specified are backed up.
Explains that when a full database backup or differential database backup is performed, Microsoft®sql Server™ backs up enough transaction logs to generate a consistent database that will be used when the database is restored. Only full database backups can be used on the master database.
{database_name | @database_name_var}
S
I. Backup overviewData security is the life of the database, the database in the use of the process will inevitably encounter such as: the user's misoperation or malicious modification, hardware failure caused data files can not be accessed, natural disasters caused by physical damage to the computer room. This chapter takes the functionality of backup and recove
back up to your local hard disk--windows Server Backup cannot perform a Volume Shadow Copy service operation on a backup that is stored on a DVD or a network share.
Windows Server Backup stores backup images in Microsoft® virtua
backup, so it's not appropriate. Therefore, full backup + log backup scheme for the vast majority of users.
The third scenario: if you only make backups locally in the database, if the disk is damaged, or the entire server hardware is damaged, and the backup is gone, there
using the method copy of Windows jobs is not timely. This introduces a method, in time offsite storage to the network path, that is, the database backup is completed, immediately copy the files to a remote location. In a folder, there are many backup files, how to filter out the files just backed up? Batch processing with Windows commands should be done, but it will be too cumbersome to come out. Then fi
window of the Restore option select from the device--> point Select Device--> Point add--> and then select your backup file name--> Add after the point of return, this time the device bar should appear you just select the database backup file name, The backup number defaults to 1 (if you have multiple backups of the same file, you can click on the view next to t
name to import)-> determine
Restore backup Set-> database-complete
Finally press the OK button. The full database import succeeded.
(If you restore a database on an existing SQL Server database, you may experience a failure to restore it if someone else is using it.
You can go to see-> admin-> Current active-> lock/Object-> Find the process number of the database under lock-> into Query Analyzer kill the l
. The database has been imported successfully.
(If you restore a database on an existing SQL Server database, you may encounter another user using it and the restoration operation fails,
Choose "manage"> "current activity"> "Lock/object"> "find the lock process number in the Database"> use the kill process number in the query analyzer to kill the lock,
And then restore)
Note: If you restore the database from the b
; Restore database
Restore-> from device-> select device-> disk-> Add (find the name of the backup database file to be imported)-> OK
Restore backup set-> database-complete
Click OK. The database has been imported successfully.
(If you restore a database on an existing SQL Server database, you may encounter another user using it and the restoration operation fail
, select "restore from device"> "select device"> "add"> "select your backup file name"> "add" and click "OK" to return, at this time, the device column should display the database backup file name you just selected. The default backup number is 1. (If you have backed up the same file multiple times, click View next to the bac
In daily database operations, we often backup operations on the database to facilitate the database in the event of a disaster in the database to restore, thereby ensuring the security of the database. SQL Server databases use Enterprise Manager to do these things simple and intuitive, and to automatically back up the database on a daily basis. This article we have introduced this process, next let us come
Physical backup and restoration of LVM-based mysql Databases: in this case, our msyql database must be installed on a logical volume. The following method can achieve almost hot backup (
Physical backup and restoration of LVM-based mysql Databases: in this case, our msyql da
Azure Blob storage is encoded as a "virtual Backup Device". The URL format used to access Blob storage is considered as a Device. The main reason for supporting Azure storage as the target device is that it provides consistent and seamless backup and restoration processes, similar to our current disk and tape.
When the backup or restoration process is called and
compress backup files, but can significantly reduce the amount of time spent.
5. Write multiple Physical disk drives
Full backups are frequently performed on I/O devices. Each database file is read and then written to another file. With a multiple-physical hard drive, you can achieve high I/O rates and complete backups faster. In addition to writing multiple f
OverviewYesterday afternoon saw suddenly, "furnace stone legend" game database outage and caused data loss accident news. When I first saw it, it was full of magic. Blizzard Ah, NetEase ah.Are all very bull-forked companies. I like all the games they play.650) this.width=650; "Src=" http://images2015.cnblogs.com/blog/603809/201701/603809-20170119085415187-1938163926. PNG "style=" margin:0px;padding:0px;border:0px; "/>When I saw that the first time I started to repair, restart the
Backup will be close to the full backup size, so this is not suitable. Therefore, the full backup + Log backup solution is suitable for the vast majority of users.
Case 3:If you only back up the database locally, in case the disk is damaged or the entire server hardware
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