Administering Database

Backing Up and Restoring Overview

 

 

Administering Database

Backing Up and Restoring Overview

The backup and restore component of Microsoft® SQL Server™ provides an important safeguard for protecting critical data stored in SQL Server databases. Backing up and restoring a database allows for the complete restoration of data over a wide range of potential system problems:

Media failure

If one or more of the disk drives holding a database fail, you are faced with a complete loss of data unless you can restore an earlier copy of the data.

User errors

If a user or application either unintentionally or maliciously makes a large number of invalid modifications to data, the best way to deal with the problem may be to restore the data to a point in time before the modifications were made.

Permanent loss of a server

If a server is disabled permanently, or a site is lost to a natural disaster, you may need to activate a warm standby server or restore a copy of a database to

another server.

Additionally, backing up and restoring databases is useful for non-system problems, such as moving or copying a database from one server to another. Backing up a database from one computer, and restoring the database to another can make a copy of a database made quickly and easily.

Backing Up a Database

Backing up a database makes a copy of a database, which can be used to restore the database if it is lost. Backing up a database copies everything in the database. A backup operates like a fuzzy snapshot taken of a database :

A database backup records the complete state of the data in the database at the time the backup operation completes.

Restoring a Database

Restoring a database backup returns the database to the same state it was in when the backup was created. Any incomplete transactions in the database backup, (transactions that were not complete when the backup operation completed originally), are rolled back to ensure the database remains consistent.

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Installation & Maintenance

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Avaya 38HBK00001SCM manual Backing Up and Restoring Overview, Backing Up a Database, Restoring a Database

38HBK00001SCM specifications

The Avaya 38HBK00001SCM is a prominent offering in the realm of communication solutions, designed to enhance collaborative experiences in organizational environments. This device stands at the intersection of innovation, reliability, and performance, making it an essential tool for businesses striving to refine their communication strategies.

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