How to Join two tables from separate databases within WordPress
So I added permissions for my $mydb user to have SELECT priviledges to my WordPress database. I then used this code to perform the JOIN: $sql=”SELECT * FROM `mydb`.`records` rec LEFT JOIN `wpdb`.`wp_users` usr ON rec.`mydb`=usr.`ID`”; $records = $mydb->get_results($sql, ARRAY_A); Worked great!