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 'AND P.CONSECUTIVO=RPI.REL_CONSECUTIVO AND RPI.REL_IMAGEN=I.IMAGEN_ID ORDER BY I.' at line 1 SELECT RPI.ALINEADO,I.TEXTO_ALTERNO,I.URL_IMAGEN AS URL,I.URL_THUMBNAIL AS URLTHUMB FROM PRINCIPAL_T P,IMAGENES_T I,REL_PRINCIPAL_IMAGEN_T RPI WHERE P.CONSECUTIVO= AND P.CONSECUTIVO=RPI.REL_CONSECUTIVO AND RPI.REL_IMAGEN=I.IMAGEN_ID ORDER BY I.IMAGEN_ID