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Error Establishing Database Connection

The "Error Establishing Database Connection" in WordPress is a common issue and it usually means that WordPress is unable to connect to your MySQL database. This can be caused by various reasons, but here are the steps you can take to troubleshoot and fix the problem:

  1. Check Your Database Login Credentials:

    • Double-check your wp-config.php file to ensure that the database name, username, password, and host are correctly defined. These details should match the credentials provided by your hosting provider.

  2. Check Database Server:

    • Ensure that your MySQL database server is running. You may need to contact your hosting provider if you're not sure how to do this.

  3. Check Database Host:

    • By default, the database host is usually set to localhost in the wp-config.php file. However, some hosting providers might require a different host. Check with your hosting provider for the correct database host.

  4. Check Database Prefix:

    • Make sure that the database table prefix defined in the wp-config.php file matches the actual prefix in your database. The default is usually wp_.

  5. Repair Database:

    • If you suspect that there might be a problem with your database, you can try repairing it. Add the following line to your wp-config.php file:
      SQL
    • define('WP_ALLOW_REPAIR', true);
      Then, visit http://your-site.com/wp-admin/maint/repair.php and follow the instructions.

  2. Check Database Size:

    • If your database has grown very large, it might be causing issues. Contact your hosting provider to check if there are any limitations on database size.

  3. Check Server Resources:

    • Insufficient server resources (such as low memory) can sometimes cause database connection errors. Contact your hosting provider to ensure you have adequate resources.

  4. Contact Your Hosting Provider:

    • If you're still unable to resolve the issue, it's a good idea to contact your hosting provider's support team. They may be able to provide specific information about the problem.

  5. Restore from Backup:

    • If all else fails, restoring your site from a recent backup (if available) can be a last resort.

Remember to always back up your site before making any significant changes or updates to ensure that you can easily revert to a working version if something goes wrong during troubleshooting.

 
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