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How to Fix the Error Establishing a Database Connection in WordPress

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What is the Error Establishing a Database Connection Solution , in this article, we will explain the solutions for this error  Error establishing a database connection is an important error that renders your WordPress-based website inaccessible, and this error occurs when the WordPress database cannot be connected. So what are the causes of Establishing a database connection error?

What is Establishing a Database Connection Solution? Since you are reading this article right now, you are facing such an error. Don’t worry, you can easily solve this problem based on the information we will do in detail below.

What Causes Error Establishing a Database Connection?

Error establishing a database connection means  Error establishing a database connection” . This error can be caused by incorrect database information in your WordPress settings, corrupted database, or an unresponsive
database server.
A database is the software used to store, organize and enter data . WordPress-based sites use a database to store all your content and website data. It is necessary to connect to the database for every visitor visiting your site.

WordPress needs the following information to connect to the database:

  • database name
  • Database username
  • database password
  • database server

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This information is stored in the WordPress configuration file named wp-config.php . (You can find your wp-config.php file in /public-html/) If any of these items are incorrect, WordPress cannot connect to your database server and you will see ‘Error establishing a database connection’ .

One of the most common errors, Error establishing a database connection error, can be caused not only by incorrect database information, but also by the database server not working or the database files being corrupted.

Error Establishing a Database Connection Error Solution

As we mentioned above, there can be many reasons for the ‘error establishing a database connection’ error. If your site does not open due to such a problem, you can find a solution by following the steps below.

1- Check Your WordPress Database Information
One of the most common causes of Error establishing a database connection error is incorrect database information. If you’ve recently moved your WordPress site to a new hosting server, the root of the problem is probably a mismatch in database information. To solve this problem, you need to make sure that the database information in the wp-config.php file in the main directory of your site matches the information in MySQL Databases.
Try visiting your website again after making sure that the information on both sides overlaps . If you are still encountering the same error, this indicates that the problem is due to a different cause.

2- Make Sure Your Database Host Information Is
Correct If you are sure that your database name, username and password information are correct, check if you are using the correct database host information. Because some hosting companies use separate servers for their databases. In this
case, the DB_HOST part of the wp-config.php file will not be ‘localhost’.
To verify your database host information, you can contact the hosting company and ask them to check.

3- Repair
Your WordPress Database If you get a different error like “ The database may need to be repaired ”, it means that you need to repair your database. You can do this by adding the following line to your wp-config.php file. (Add this line just before ‘That’s all, stop editing! Happy blogging’)

define('WP_ALLOW_REPAIR', true);

After doing this, you can log in to your site as https://www.yourdomain.com/wp-admin/maint/repair.php, and either Repair Database or Repair and Optimize Database (Repair and optimize your database) on the screen that appears . ) you can start the database repair process by clicking one of the options.

Reminder: If everything went well after the database repair, you can delete the code you have added to the wp-config.php file.

3- Check if your Database Server is Down
If everything looks right and your WordPress site still cannot connect to the database, your database server (MySQL server) may be down or your server may not be able to respond due to heavy traffic, ie visitors that cannot meet your hosting resources.

Note: If you are getting such an error on your site when your visitor count is at a normal level, your site may be under attack. You can contact your hosting company and ask them to investigate the situation.

In such cases, the main server cannot carry the load and this will cause your site to slow down and your users will encounter this error.

5- Try Restarting Your
Server If you are using a dedicated server known as VPS or Dedicated Server, you can restart your server and check if the problem is fixed.

DATABASE Cleaning and Maintenance

If everything went well, you can clean the database with the Advanced Database Cleaner plugin.

Important Note: Before cleaning the database, it is worth remembering that this process is irreversible, and a mistake you make can cause permanent damage to your site.

In this article, we tried to help you about Error Establishing a Database Connection Solution and what could cause this problem.

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