Full Database Recovery from Backup File

Restore a Full Database from Backup

Write a MySQL command to restore the "MyDatabase" database from a backup file named "MyDatabase_backup.sql".

Solution:

# This command restores the MyDatabase database from a previously created backup file
# mysql -u root -p specifies the root user and prompts for a password
# < redirects the contents of MyDatabase_backup.sql into the MyDatabase database
mysql -u root -p MyDatabase < MyDatabase_backup.sql

Explanation:

• Purpose of the Query:
• To restore a database to its previous state using a backup file.
• Demonstrates the restoration process using the mysql client.
• Key Components:
• < MyDatabase_backup.sql : Redirects the contents of the backup file into the MySQL client for execution.
• Target database "MyDatabase" must exist or be created beforehand.
• Real-World Application:
• Essential for recovering from data loss or corruption incidents.

Notes:

• Always verify backup file integrity before restoration.
• Ensure you have a recent backup to minimize data loss.

For more Practice: Solve these Related Problems:

• Write a command to restore the "MyDatabase" database from a backup file and log the restoration process.
• Write a command to restore the "MyDatabase" database from a backup file after dropping the existing database.
• Write a command to restore the "MyDatabase" database from a backup file located on a remote server.
• Write a command to restore the "MyDatabase" database from a backup file and apply incremental updates if available.

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Previous MySQL Exercise: Backup Database with Compression.
Next MySQL Exercise: Restore a Specific Table from Backup.