December 2013
Intermediate to advanced
1872 pages
153h 31m
English
book
Microsoft® SQL Server 2012 Unleashed
by Ray Rankins, Paul T. Bertucci, Chris Gallelli, Alex T. Silverstein
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Full Database Backups
A full database backup is an all-inclusive backup that captures an entire database in one operation. This full backup can be used to restore a database to the state it was in when the database backup completed. The backup is transactionally consistent, contains the entire database structure, and contains the related data stored in these structures.
As with many other backups, SQL Server allows for updates to the database while a full backup is running. It keeps track of the changes occurring during the backup by capturing a portion of the transaction log in the database backup. The backup also records the log sequence number (LSN) when the database backup is started, as well as the LSN when the database backup completes. ...