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الرئيسيةHow To FixHow to Fix the WordPress Error Establishing a Database Connection

How to Fix the WordPress Error Establishing a Database Connection

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What is the error establishing database connection in WordPress?

One of the most common and terrifying issues that WordPress users can run into is error establishing database connection.” It’s a toss-up between the white screen of death and the black screen of death (WSOD). This error indicates that your website is no longer interacting with or having access to your WordPress database, and as a result, your entire website is unavailable. This is not something to take lightly, and you should try to rectify it as soon as possible because it can have a direct impact on your sales, traffic, and analytics.

What are the Most Common Causes of Error Getting a Database Connection in WordPress

Incorrect database information in your WordPress settings, a faulty database, or an unresponsive database server can all lead to the ‘Error establishing a database connection error.

A database is a software program that makes it simple to store, organize, and retrieve data for use in other programs.

WordPress uses a database to store all of your content and other website data as a content management system. Each time someone visits your website, it connects to the database.

For connecting to the database, WordPress requires the following information:

  • Database username and password
  • Database server and password

This data is saved in the wp-config.php file in your WordPress installation.

If any of these items are incorrect, WordPress will be unable to connect to your database server, and you will receive an error message stating “Error establishing a database connection.”

One of the most common WordPress mistakes is this. This error can also display if the database server is offline or the database files are faulty, in addition to invalid credentials.

Let’s look at how to troubleshoot the error establishing database connection issues in WordPress step by step.

The database connection error can be caused by one of four things:

Login credentials to the database are incorrect

The most typical cause of the Error Establishing a Database Connection is that your database login credentials are incorrect in WordPress. The database name, username, or password could all be entered here. Keep in mind that these login credentials are not the same as the ones you use to access your website.

Corrupted core files in WordPress

The essential WordPress files that make up your site might also become corrupted. Even though these files are not part of the database, they can cause the same issue.

Issues with the web server or the hosting company

 If WordPress can’t access your host or server (if you’re self-hosting), and it can’t query the database, it will throw this error. Outages, data loss, and device failures are examples of these issues.

Corruption of the database

 A MySQL database for WordPress holds a lot of data. The mistake in question can occur if any part is deleted or corrupted. Corruption can occur as a result of manual meddling with the database, but it can also occur as a result of routine usage. Despite MySQL’s robustness, nothing is flawless, and errors do happen.


As you can see, there are several options for resolving the WordPress database connection error. Invalid credentials in the wp-config.php file are the most common. The best place to begin is by double-checking that those are correct. The last thing you want for your website is for it to go down. So, hopefully, one of the methods listed above assisted you in getting your site back online. Always keep in mind that you can always restore your site from a backup if necessary.

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