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What is backup command in SQL?

Contents
  1. What is a backup in SQL?
  2. How do I backup a SQL query?
  3. What are the main 3 types of backups in SQL?
  4. How do SQL backups work?
Use the BACKUP command with the SQL Backup Pro -SQL parameter to back up one or more databases, transaction logs, or filegroups using the command line or extended stored procedure. Syntax provides the grammar for the BACKUP command. Arguments describes the arguments for the BACKUP command. 22 нояб. 2018 г.


What is a backup in SQL?

backup [noun] A copy of SQL Server data that can be used to restore and recover the data after a failure. A backup of SQL Server data is created at the level of a database or one or more of its files or filegroups. Table-level backups cannot be created.

How do I backup a SQL query?

SQL BACKUP DATABASE for SQL Server1BACKUP DATABASE databasename. TO DISK = 'filepath';2BACKUP DATABASE databasename. TO DISK = 'filepath' WITH DIFFERENTIAL;3Example. BACKUP DATABASE testDB. TO DISK = 'D:\backups\testDB. bak';4Example. BACKUP DATABASE testDB. TO DISK = 'D:\backups\testDB.bak' WITH DIFFERENTIAL;SQL BACKUP DATABASE Statement - W3Schools

What are the main 3 types of backups in SQL?

Understanding SQL Server Backup TypesFull.Differential.Transaction log.Tail Log backup.Understanding SQL Server Backup Types - SQLShack

How do SQL backups work?

A multi-phase process that copies all the data and log pages from a specified SQL Server backup to a specified database, and then rolls forward all the transactions that are logged in the backup by applying logged changes to bring the data forward in time.

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