Database connection errors in WordPress can prevent your site from loading. This guide outlines how to troubleshoot and fix database connection issues.

  1. Verify Database Credentials:
    • Check the database credentials in your wp-config.php file to ensure they are correct. Update them if necessary:
    define('DB_NAME', 'database_name_here');
define('DB_USER', 'username_here');
define('DB_PASSWORD', 'password_here');
define('DB_HOST', 'localhost');
  2. Check Database Server Status:
    • Ensure that your database server is running. Contact your hosting provider if you suspect server issues.
  3. Repair the Database:
    • Use the WordPress database repair tool by adding the following line to your wp-config.php file:
    define('WP_ALLOW_REPAIR', true);
    • Visit http://yourdomain.com/wp-admin/maint/repair.php to repair and optimize the database.
  4. Check for Corrupt Files:
    • Replace the core WordPress files with fresh copies from the official WordPress repository to rule out file corruption.
  5. Consult Hosting Provider:
    • Contact your hosting provider for assistance if the issue persists or if you encounter server-related problems.

By following these steps, you can troubleshoot and resolve database connection errors in WordPress.