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What is WP_Query in WordPress?

    https://www.wpbeginner.com/glossary/wp_query/
    It is possible for developers to directly query WordPress database. However, WP_Query is one of the recommended ways to query posts from WordPress database. Below is an example of a simple WP_Query which displays posts from movies category: <?php // The Query $the_query = new WP_Query( 'category_name=movies' ); ?>

WP_Query Class WordPress Developer Resources

    https://developer.wordpress.org/reference/classes/wp_query/
    Display x posts per page: $query = new WP_Query( array( 'posts_per_page' => 3 ) ); Display all posts in one page: $query = new WP_Query( array( 'posts_per_page' => -1 ) ); Display all posts by disabling pagination: $query = new WP_Query( array( 'nopaging' => true ) ); Display posts from the 4th one: $query = new WP_Query( array( 'offset' => 3 ) );

How does Wordpress link posts to categories in its database?

    https://stackoverflow.com/questions/2848505/how-does-wordpress-link-posts-to-categories-in-its-database
    At present I am displaying a list of the last 5 posts in a site's blog in its footer using this mysql query: SELECT post_title, guid, post_date FROM wp_posts WHERE post_type = 'post' AND post_status = 'Publish' ORDER BY post_date DESC LIMIT 5 ... The relations of the Wordpress database is available in the database diagram. In your particular ...

PHP to connect and query from WordPress mysql database ...

    https://learnwebtutorials.com/php-to-connect-and-query-from-wordpress-mysql-database
    PHP to connect and query from WordPress mysql database. Posted in Tutorials. In this tutorial, we will learn how to write PHP to connect to a mysql database and then perform a query. For a newer tutorial, see here also. For the purpose of demonstration, the mysql database that we will query will be a WordPress database. 1.

WordPress Database: Beginner's Guide on What It Is and How ...

    https://kinsta.com/knowledgebase/wordpress-database/
    Jan 18, 2021 · When data needs to be stored, altered, or deleted, WordPress sends a MySQL ‘query’ to the database. This simply means instructions are sent about which data should be affected, and what should be done with it.
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