At first, you need to understand the term SQL and then SQL backup. SQL stands for structured query language and is used as a communication with the database. SQL is a relational database management system (RDBMS) and is a standard language for RDBMS, according to ANSI (American National Standards Institute). It is used for performing several database related tasks such as updating, retrieving and inserting data into database. Therefore, SQL backup is a copy of SQL server data which can be used to restore data after failure.
SQL backup is essential and done to protect your important data. This type of backup is created at the level of one or more files or filegroups. However, there are following types of backup. These are –
- copy-only backup
- database backup
- differential backup
- full backup
- transaction log backup
- file backup
- partial backup
Why SQL backup is needed?
Backup is very important thing when its comes to save crucial data and database. When you have a large amount of data and relatively a large database then you must create a backup. Number of backups depend on user’s choice. But for safety of the data, at least create one backup. Backup is used in case of system failure, system malfunctioning, lost data, corrupted data and deleted data.
Reasons for SQL backup failure
There can be hundred of reasons for backup failure and some of them are – :
- Recovery model switching
- Restoration of database in wrong server
- Hardware failure containing the backup
- An abrupt shut down of system while restoring backup
- Virus and malware infection
- Power failure
How to restore SQL backup
It is very devastating situation when you lose your backup which can frustrate you. In order to get back your SQL backup you can download Stellar Phoenix SQL Backup Recovery software. This software has some amazing features.
- Easy restoration of backup files
- Full and differential backups recovery is supported
- Multiple options to save recovered database
- Supports all versions of SQL server