You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '' at line 1: SQL: SELECT *, p.presenterurl, p.presentername, IF(LOWER(c.coursetype) = "mini", CONCAT("Mini: ", c.coursename), c.coursename) AS coursename FROM courses AS c INNER JOIN presenters AS p ON (p.presenterid = c.joinpresenterid) WHERE