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SQL Backup to Multiple Locations for Enhanced Data Protection


Backing Up to Multiple Locations

Write a SQL query to back up a database to multiple locations simultaneously.

Solution:

-- Back up the MyDatabase database to two locations.
BACKUP DATABASE MyDatabase
TO DISK = 'C:\Backups\MyDatabase_Primary.bak',
   DISK = 'D:\Backups\MyDatabase_Secondary.bak'
WITH FORMAT, INIT;

Explanation:

  • Purpose of the Query :
    • The goal is to demonstrate how to back up a database to multiple locations for redundancy.
  • Key Components :
    • TO DISK: Specifies multiple locations for the backup file.
    • WITH FORMAT, INIT: Ensures the backup overwrites any existing files at the specified locations.
  • Why Use Multiple Locations?:
    • Storing backups in multiple locations protects against single-point failures.
    • It ensures availability during disasters or hardware failures.
  • Real-World Application :
    • In distributed systems, multiple backups ensure data accessibility across regions.

Notes:

  • Use network shares or cloud storage for remote backup locations.
  • Regularly test backups from all locations.
  • Ensure sufficient storage at each location.

For more Practice: Solve these Related Problems:

  • Write a SQL query to back up a database to three different network locations simultaneously.
  • Write a SQL query to back up a database to both a local disk and a cloud storage location.
  • Write a SQL query to back up a database to two locations, ensuring that one backup is compressed.
  • Write a SQL query to back up a database to multiple locations and verify the integrity of each backup file.


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Previous SQL Exercise: Automating Backup Scheduling with SQL Server Agent.
Next SQL Exercise: Creating a Copy-Only Backup.

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