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How to restore mysql database

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Release: 2024-04-14 18:33:36
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Restore a MySQL database by following these steps: Determine the backup to restore. Stop the MySQL service. Use mysqldump to restore the database from a backup file. Import the restored database. Refresh permissions. Start the MySQL service. Verify that the recovery was successful.

How to restore mysql database

How to restore a MySQL database

Step 1: Determine the backup to restore

Restoring the database from backup is the most common method to restore a MySQL database. Determine the location and time of the backup to be restored.

Step 2: Stop the MySQL service

The MySQL service must be stopped before starting the recovery process. Run the following command from the command line:

<code>sudo systemctl stop mysql</code>
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Step 3: Restore the backup

You can use the mysqldump command to restore the database from the backup file. The command syntax is as follows:

<code>mysqldump --user=[用户名] --password=[密码] [数据库名] < [备份文件路径]</code>
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Step 4: Import the restored database

After restoring the backup, you need to import the restored database into MySQL. Use the following command:

<code>mysql --user=[用户名] --password=[密码] [数据库名] < [恢复后的数据库文件]</code>
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Step 5: Refresh Permissions

After restoring the database, you need to refresh the permissions to ensure that the database user has the correct access rights. Run the following command:

<code>FLUSH PRIVILEGES;</code>
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Step 6: Start the MySQL service

After completing the recovery process, you can start the MySQL service. Run the following command from the command line:

<code>sudo systemctl start mysql</code>
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Step 7: Verify recovery

Finally, verify that the recovery was successful. You can do this by querying data in a database table or by running a SELECT statement.

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