Database backup
A “database backup” is a copy of data stored in a database that is saved separately so it can be restored if the original data is lost, corrupted, or becomes unavailable. Backups typically include the database contents and, depending on the approach, may also include schema definitions, configuration, and transaction l
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Meaning
A “database backup” is a copy of data stored in a database that is saved separately so it can be restored if the original data is lost, corrupted, or becomes unavailable. Backups typically include the database contents and, depending on the approach, may also include schema definitions, configuration, and transaction logs.
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Common types
Common backup types include full backups (a complete copy), incremental backups (changes since the last backup), and differential backups (changes since the last full backup). Some systems also use continuous or point-in-time recovery, where transaction logs are captured so you can restore the database to a specific moment.
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Why it matters
Database backups support disaster recovery, business continuity, and data protection against failures such as hardware issues, software errors, accidental deletions, ransomware, or human mistakes. A backup is only useful if it can be restored, so organizations usually test restores and monitor backup success and retention policies.
Client endpoint
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