Explain different types of Backups available in SQL Server?- SQL server provides different types of backups which is used to restore a database to a former state.
- These backups use a file or set of files to capture the database state.
Following are the types of Backups available in SQL Server: 1. Full database backup. 2. Differential database backup. 3. Transaction log backup. 4. File group backup.
1. Full database backup: - In this, it will backup all the information in the database. - It is mostly used for disaster recovery and takes the longest time to backup.
2. Differential database backup: - In this, the database is divided into partitions that have been modified. - It is most suitable for large databases. - It contains the changes from previous backups.
3. Transaction log backup: - The changes are only logged in the transaction log. - It has all the changes that logged about a database.
4. File group backup: - It is used to recover individual files or file groups. - It helps in recovery only the required file or file group for disaster recovery.
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