August 2012
Intermediate to advanced
1416 pages
33h 39m
English
book
Microsoft SQL Server 2012 Bible
by Adam Jorgensen, Jorge Segarra, Patrick LeBlanc, Jose Chinchilla, Aaron Nelson
Content preview from Microsoft SQL Server 2012 Bible
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System Databases Recovery
So far, this chapter has dealt only with user databases, but the system databases are important to the recovery operation as well. The master database contains key database and security information, and the msdb database holds the schedules and jobs for SQL Server, as well as the backup history. A complete recovery plan must include the system databases.
Master Database
The master database, by default, uses the simple recovery model. Using only full backups for the master database is OK; it's not a transactional database.
Backing Up the Master Database
You back up the master database in the same manner as user databases.
Be sure to back up the master database when doing any of the following:
- Creating or deleting databases
- Modifying security by adding logins or changing roles
- Modifying any server or database-configuration options
Because the msdb database holds a record of all backups, back up the master database and then the msdb database.
Recovering the Master Database
If the master database is corrupted or damaged, SQL Server won't start. Attempting to start SQL Server will have no effect. Attempting to connect to the instance with Management Studio invokes a warning that the server does not exist or that access is denied. The only solution is to first rebuild the master database using the command line setup as shown next, reapply any SQL Server updates, start SQL Server in single-user mode, and restore the master database.
1. Rebuild the master database ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.