How to Fix Database Connection Establishment Error in WordPress

When WordPress fails to connect to the database, the "Error establishing database connection"This situation. Troubleshooting this error is a bit difficult for newbies. But don't be in such a hurry, we'll show you how to fix the WordPress website's "Error establishing database connection".

What causes errors in establishing a database connection in WordPress?

A database is a piece of software that can store, organize and retrieve data from other software.WordPress uses thecomprehensive databaseto store all content and otherWebsite data. Every time someone visits your site, it connects to the database.

WordPress requires the following information to connect to the database:

• Database name
• Database username and password
• database server

This information is stored in the WordPress Configuration Filein the file namedwp-config.phpThe

If the account or password is incorrect, then WordPress cannot connect to thedatabase serverand you'll see "Error establishing database connection"Error.

In addition to an incorrect account number and password, if theDatabase server shutdownmaybeDatabase file corruptionThis error also occurs.

Let's see how we can fix WordPress with step-by-step troubleshooting for "Error establishing database connection"Question.

1. Check your WordPress database account and password

The most common cause of database connection errors is an incorrect password. If you have recently migrated your WordPress site to a new server, then this may be the problem.

WordPress database passwords are stored in the wp-config.php filein. It is the WordPress configuration file that contains important settings, including database information.

If not previously edited wp-config.php fileIt's okay.Contact UsWe can give some help!

Look for the following lines in the wp-config.php file:

Here it is important to ensure that the database name, username, password and database server information is correct.

If you still see the error after modifying the wp-config.php file, it means that there are other errors that need to be troubleshooted further.

2. Check database server information

If you are sure that the database name, username and password information is accurate, then you need to make sure that you are using the correct database server information. You can go back to where you purchased the server and make sure that you purchased the right login password for the server; or you can receive the configuration login password and reset it, or if you still can't, contact your cloud server service provider and let them fix it!

3. Repair WordPress database

If there is a change in the wp-admin dashboardreceived other errors such as "One or more database tables are not available"or"Database may need to be fixed". In this case, the database needs to be repaired.

This can be accomplished by adding the wp-config.php fileAdd the following code in to make it happen. Make sure to add it to the "That's all, stop editing! Happy blogging!' "Before the line:

  define('WP_ALLOW_REPAIR', true).
  define('WP_ALLOW_REPAIR', true).
	define('WP_ALLOW_REPAIR', true).

Once you have completed this step, you can view the settings by visiting this page: http://www.yoursite.com/wp-admin/maint/repair.php. Simply replace yoursite.com with your own website domain name.

Here.Be sure to click Repair Database" button to begin the process.

Attention:Users can access the database repair page without logging in. After repairing and optimizing the database, be sure to remove this line of code from the wp-config.php code.

4. Check if the database server is down

If WordPress is still unable to connect to the database, the database server (MySQL server) may be down.

This can be caused by excessive server traffic. The server is unable to handle the load (especially for sites with lower server configurations).

As a result, the site slows down and may even output errors to some users. In this case, log into your control panelRestart the serverIt'll work out!