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wpdb::query() Method WordPress Developer Resources

    https://developer.wordpress.org/reference/classes/wpdb/query/
    37 rows · Retrieves one variable from the database. wp-includes/wp-db.php: wpdb::get_row() Retrieves one row from the database. wp-includes/wp-db.php: wpdb::get_col() Retrieves one column from the database. wp-includes/…

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.

WP_Query Class WordPress Developer Resources

    https://developer.wordpress.org/reference/classes/wp_query/
    $query = new WP_Query( array( 'pagename' => 'contact' ) ); Display child page using the slug of the parent and the child page, separated by a slash (e.g. ‘parent_slug/child_slug’): $query = new WP_Query( array( 'pagename' => 'contact_us/canada' ) ); Display child pages using parent page ID: $query = new WP_Query( array( 'post_parent' => 93 ) );

How To Get Some Data From WordPress Database Using ...

    https://wordpress.stackexchange.com/questions/162741/how-to-get-some-data-from-wordpress-database-using-wordpress-wpdb-query
    I found the solution and the correct query to fetch one data from WordPress database is below one. global $wpdb; $findID = $wpdb->get_results ("SELECT ID FROM wp_posts WHERE post_name = 'hello-world'"); echo $findID [0]->ID;
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