What to do when encountering WordPress database errors while building your own website?

Beginners building their own websites are most afraid of encountering problems, such as WordPress database connection failure, prompting 'Error Establishing a Database Connection'. Naibabiji here shares several troubleshooting methods after a database error occurs.When youhave installed a WordPress websiteand suddenly one day it prompts a database connection error, then check according to the following methods.

1. Check if the database process is running normally

If you purchased aVPS and installed Baota Panelyourself, then first log in to the Baota Panel backend to see if the MySQL process is running normally. If not, restart it once. If the process cannot be restarted, consider restarting the server.

2. Restore a previous database backup

If you are using Shared Hosting, a database connection failure is usually due to a database issue. You can log in to the hosting management backend and enter the database management interface, such as phpMyAdmin. First, back up the current database, then restore an older backup.

3. Check the Theme and Plugins

Sometimes, Theme and Plugin bugs can also cause database connection failures. You can use FTP software to rename or move all plugins and non-default themes to another folder. Ensure the website can open, then restore them one by one to test where the problem lies.

4. Reinstall WordPress core files

This method is the same asmanual WordPress version updatedownload thenew version of the WordPress installation packagethen upload the new installation package files to the server to replace the existing files.

5. Try WordPress automatic database repair

Use FTP or Baota Panel's file editing function to open the wp-config.php file in the website root directory, and adddefine('WP_ALLOW_REPAIR', true);Then access your website via your domain pluswp-admin/maint/repair.phppath, and a database repair and optimization interface will appear.

Summary

Many people often encounter WordPress database connection failure issues. In most cases, it's due to insufficient server memory causing the database process to crash. However, this is less common with Shared Hosting; the problem mostly lies with the website itself, requiring judgment based on the actual situation.