How To Solve “Error Establishing A Database Connection” In WordPress
- beingwpthemes
- Aug 1, 2019
- 3 min read
Nothing gives a drowning feeling like being welcomed with the message “Error establishing a database connection”, to a WordPress site owner. Of course, the non-functioning site means no traffic- lost of customers, subscribers, as well as lost revenue.
Everyone knows that WordPress is the most popular and is a free content management system, but an error database is also a known WordPress error.
Most of the beginners think what causes this database error, and how to fix it. So, in today's guide, we have talked in detail about this common Wordpress error and how to fix it.
What Does “Error Establishing a Database Connection” Mean?
First, let's know how Wp functions to show your site, and this will give you a clear idea about why this error database is so devastating. Your WordPress software is written in MYSQL and PHP language. Two languages because all the data that makes up your site is stored by MySQL database, and wp uses PHP language to retrieve and store information from that database.
Usually, whenever any page of your site is loaded, it's made on-the-fly. To access your MySQL database to retrieve all the data needed to build the page, PH code is required and used.
There’s a PHP inquiry to obtain the post title, added to grasp the author name, another one to reclaim the publication date, etc.
What Causes the error database connection?
"Error establishing a database error" means that due to some reason your site PHP code was not able to connect with MySQL database to restore the data it requires to display that page.
This is the reason why you often see this error on your site.
Common Conditions That Cause This Error
Login Credentials:
The general reason is that your WordPress database login details are incorrect. your website uses different login credentials to connect to the MySQL database.
Corrupt Database:
Due to constant changes in your plugins, themes, Sometimes because of this data gets corrupted. or if by chance you installed a badly coded plugin in your WordPress site, then this cause database may corrupt. If you install a poorly coded plugin, your database may corrupt.
These are some of the possible reasons that may have caused the error. Now that you know what the error is and how it was probably caused, let’s try fixing that error and getting your site back up online.
How to fix “Error establishing a database connection” Error?
Repair the Database:
First, start by checking the database, is it working properly. If you see your website is working properly but get an error while accessing the WordPress admin panel. your sit database needs to be fixed. If you face these signs, repair your database as soon as possible. Repair your database by using the in-built WordPress feature.
This feature in WordPress is disabled by default. So, enable it when you want to repair your site.
This feature in WordPress is disabled by default. So, enable it when you want to repair your site. to enable it, go to wp-admin.pjp and paste the code mentioned below:
define( 'WP_ALLOW_REPAIR', true );
This code will help you to find the error and fix it in your database.
Keep this in your while using repair page. As anyone can access that repair page URL without having to log-in. So ensure to delete the code line you have used.
Fix corrupted files:
If even after repairing WordPress, the site doesn't work, then you can opt for this option. try fixing corrupted files. Many WordPress users who didn't find the problem usually delete all the files and the database error went away.
Now, we will also do the same as the database error on your site could be the cause of corrupted files on your WordPress site.
As we are talking about the main system files, so be careful while deleting them. As your small mistake can lead to wiping away your complete website. be on the safer side by backing up all the data by using a plugin or manually.
Now, replace the corrupted files with fresh WordPress files. After this, we need fresh files to replace it with our corrupted file. for this, just download the new copy of the WordPress CM. Delete all corrupted files to leave space for new files and paste the rest of the new files into your Wp root folder using an FTP client or the File manager.
No doubt, this WordPress database connection error is one of the most annoying errors for WordPress owners. there can be several root causes for this problem making it hard to find and fix it.
In our guide, we have covered the main possible causes behind the “ Error establishing a database connection”. If you follow our mentioned tips to fix this error then you will be easily walk through this error easily.
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