There’s only one naming convention to remember, the WP table prefix. If you don’t want to use it you can do whatever you want. WordPress only cares about its own tables, you can create any other tables you want. Keep in mind though that the WordPress table prefix isn’t always wp_, and it changes for … Read more
For this I suggest you to use Search and Replace plugin which has Dry Run option under Tools > Search & Replace > Search & Replace, here we need to check the Dry Run checkbox. In Dry Run we can find in which table we have that searched text so from that you can find … Read more
WordPress can only use the tables with the same prefix as listed in the wp-config.php file. Many times when a database has been used for sometime it will hold several version of the site in the same database by adding different table prefixes to the site versions. This is likely what you are seeing. It … Read more
There are 2 places that could have issues: Your first wpdb::prepare() here: // Prepare and execute the count query $count_query = $wpdb->prepare( $count_sql, …$query_params ); The initial value you set for $count_sql is “SELECT COUNT(*) FROM $table_name WHERE 1=1”, and if $filters doesn’t have any key matching your switch, the value of $count_sql will remain … Read more
Yes, you can set up a free method to check if your WordPress database is online and get an email if the site shows the “Error Establishing a Database Connection” message. You can achieve this by adding a simple PHP script to your WordPress theme or via a custom plugin. Step-by-Step Solution: Create a Custom … Read more
Using the wpdb::prepare() method is recommended for creating queries properly and avoiding SQL injection. For a basic solution, use the addslashes() function, but this is not sufficient for preventing SQL injection. See Mysql + php with special characters like ‘(Apostrophe) and ” (Quotation mark).
This is what I wanted to achieve, I hope it helps somebody DELETE wp_posts FROM wp_posts INNER JOIN wp_users ON wp_posts.post_author = wp_users.ID WHERE post_author = 1 AND post_date BETWEEN ‘2024-01-01 00:00:00’ AND ‘2024-03-28 23:59:59’;
This should be the SQL you’re looking for (off the top of my head, so may need some tweaking). “SELECT * FROM wp_posts LEFT JOIN wp_popularpostsdata ON (wp_posts.ID = wp_popularpostsdata.postid) LEFT JOIN wp_term_relationships ON (wp_posts.ID = wp_term_relationships.object_id) LEFT JOIN wp_term_taxonomy ON (wp_term_relationships.term_taxonomy_id = wp_term_taxonomy.term_taxonomy_id) WHERE posts.post_type=”post” AND wp_term_taxonomy.term_id NOT IN (73) GROUP BY wp_posts.ID ORDER … Read more
Changing the DB connection used by a WPDB object that already exists or passing it a mysqli instance is not possible. And if it was, it still wouldn’t work for other reasons. if you want to access a new database connection you need to create a new WPDB instance: $second_db = new WPDB( ‘dbuser’, ‘dbpassword’, … Read more
Use HyperDB An open source DB mechanism plugin that supports replication, failover, load balancing, and partitioning. Link – https://github.com/Automattic/HyperDB