An error occurred while establishing a connection to the database. Installing a simple WordPress solution.

November 24, 2020 by Edward Schneider

 

Hopefully this user guide will help you if WordPress installation happens when you establish a database connection.

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What error occurs when the database connection fails? Failure to establish a failed database connection basically means that for some reason the PHP code was unable to connect to your MySQL database to get the information it needs. to completely create this page.

 

 

Database connection error is probably one of the most common and daunting errors that WordPress users can encounter. It is definitely closely related to the White Screen of Death (WSOD). This error means that your website has stopped interacting or has access to your WordPress database and your entire website is down. This should not be taken lightly and you should try to address it immediately as it can have a direct impact on your sales, traffic and analytics.

But don't worry, today we're going to discuss a few common scenarios that cause this error and some easy ways to get your site up and running quickly.

  • What is the error while establishing a database connection?
  • Typical scenarios causing this error.
  • How to fix an error while establishing a database connection

Why Am I Getting A WordPress Database Error?

First, let's see what this error message actually means.


error establishing database connection wordpress install

Your database uses the MySQL language. Your website is server-basedPHP language. Every time your website URL is entered into a browser, WordPress uses PHP to fetch all the information on the page from the database and send it to the visitor's browser.

Database connection error often occurs due to MySQL and PHP lost connection for some reason that we need to figure out.



One of the following scenarios can cause this error:

  • Your login information (username and password) may have changed. Somehow, even if you hadn't made the change yourself, it could have happened.
  • If you install a plugin with bad code, your database may be corrupted.
  • Your website may experience a lot of traffic that exceeds the capacity of your server.
  • Your WordPress web host may have errors and the database stopped working due to a problem.
  • Before trying to fix the database connection error in WordPress, we recommend that you create a backup! You have the following options to create a backup:

    • Download all web files from FTP (SFTP). To do this, log ingo to your hosting account (I'm using Cloudways).
    • Export the MySQL database using the export function.
    • You can also use UpdraftPlus to back up your data.

    If you are a Cloudways customer, we will make it easy for you and let you create both manual and automatic WordPress backups through the platform. The following image shows how Cloudways provides easy and regular backups.


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    • Step 2 : Click on “Begin Scan” to uncover Pc registry problems that may be causing Pc difficulties.
    • Step 3 : Click “Repair All” to fix all errors.

    download


    Now, let's narrow down your problem.

    Step 3 - Restoring WordPress Database

    Sometimes your WordPress database can get corrupted due to a failed update, a database crash, or a faulty plugin. This problem can manifest itself as a failed database connection. So if your problem wasn't with the MySQL server or the config file, try restoring your database.

    WordPress has a built-in database recovery utility. It is disabled by default because it does not have access control and can pose a security risk. sti. We will enable this feature, make repairs, and then disable it.

    Open wp-config.php again:

      
    • sudo nano /var/www/html/wp-config.php
    / code>

    On a blank line, add the following:

    wp-config.php

      define ('WP_ALLOW_REPAIR', true);
     

    Sets a variable that WordPress will look for to determine whether to enable the restore feature.

    Save and close the file. Switch to your browser and download the following URL. Replace the highlighted part with the domain or IP address of your site:

      http://www.example.com/wp-admin/maint/repair.php
     

    The restore database page will be loaded:

    Click the "Repair Database" button and you will be taken to the results page, where you can see the checks and fixes in real time:

    When the process is complete, reopen the wp-config.php file and delete the line you just inserted.

    Have you noticed that renovations have been made? Try your site again and see if the error goes away. If you find irreparable problems, you may need to restore the database from re Back up if possible. For more information, see our guide on importing and exporting databases in MySQL.

    If there are no problems with the database, then we still haven't found the problem. It could be intermittent issues that we just miss, or something darker. Let's finish with a few more ways to try.

     

     

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    How do I fix Error establishing a database connection in WordPress?

    The most common cause of database connection failure in WordPress is incorrect database credentials. If you've recently moved your WordPress site to a new host, this might be the most likely cause. Your WordPress database login information is saved in the wp-config. PHP file.


    How do I create a database connection in WordPress?

    With PhpMyAdmin, you can also import your WordPress database easily. Just start phpMyAdmin, then select your WordPress database. Then you need to click on the "Import" link in the top menu. On the next screen, click the Select File button and then select the previously downloaded database backup file.


     

     

     

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