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What is filegroup backup in SQL Server?

Contents
  1. What is filegroup backup?
  2. What is a filegroup in SQL Server?
  3. What is differential backup in database?
  4. What is difference between file and filegroup in SQL Server?
Overview. In addition to doing "File" backups you can also do "Filegroup" backups which allows you to backup all files that are in a particular filegroup. By default each database has a PRIMARY filegroup which is tied to the one data file that is created. 3 дек. 2009 г.


What is filegroup backup?

Using FILEGROUP backup one can backup all the data files within the SQL Server FILEGROUP individually. While backing up the database you can specify whole of FILEGROUP (i.e., PRIMARY or SECONDARY) instead of specifying each database file individually within the FILEGROUP.

What is a filegroup in SQL Server?

The filegroup contains the primary data file and any secondary files that aren't put into other filegroups. User-defined filegroups can be created to group data files together for administrative, data allocation, and placement purposes.

What is differential backup in database?

A differential backup is based on the most recent, previous full data backup. A differential backup captures only the data that has changed since that full backup. The full backup upon which a differential backup is based is known as the base of the differential.

What is difference between file and filegroup in SQL Server?

tl;dr; Filegroups are a logical construct used to separate tables and indexes from each other, files are the physical construct used to store information (log & data) about the database.

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