Database

Every MalCare article covering database, newest updates first.

7 articles

WordPress ErrorsUpdated Nov 17, 2025

Fix “wordpress database error: [duplicate entry ‘0’ for key ‘primary’]” Error (9 Easy Steps)

Fix the WordPress duplicate entry 0 for key PRIMARY database error by restoring primary keys, auto-increment, and valid records safely.Read the guide

WordPress ManagementUpdated Aug 4, 2025
The Ultimate Guide To WordPress Databases
Understand the WordPress database, its tables and connection, then access, export, import, migrate, secure, and optimize it safely.
WordPress ErrorsUpdated Mar 31, 2025
6 Solutions for Fixing the WordPress Database Error Commands Out of Sync
Fix the WordPress database commands out of sync error by isolating query, plugin, theme, connection, and server causes safely.
WordPress ErrorsUpdated Nov 27, 2024
Fix: “WordPress Database Error Disk Full” Error
Fix the WordPress database disk full error by confirming storage limits, freeing safe space, optimizing data, and preventing recurrence.
WordPress ManagementUpdated Oct 21, 2024
Beginner’s Guide to Understanding WordPress File Structure & Database
Knowing the WordPress file structure will help you understand how WordPress works. These informations are handy for anyone running WP sites.
WordPress ManagementUpdated Jan 5, 2024
How to Repair WordPress Database or Optimize Database Tables?
Learn how to repair or optimize WordPress database tables safely with phpMyAdmin, WP-CLI, built-in tools, or a trusted plugin.
Malware RemovalUpdated Dec 22, 2022
5 Steps to Fix Adminer Vulnerability Exploits (Adminer.php Hack)
Adminer is used by thousands of WordPress sites. Find details about the adminer.php hack and measures you can take to keep your site secure.