MySQL (tag)

How indexes work in a MySQL database. Indexes in MySQL (Mysql indexes) are a great tool for optimizing SQL queries. To understand how they work, let's look at working...

A comprehensive guide to using SQL queries for managing various aspects of a WordPress site, including user management, comment and ping management, and tag management.

Explanation of a WordPress function to display all posts grouped by the month of publication.

The article discusses how to programmatically move multiple posts from one category to another in WordPress, using a custom function and different methods.