опитайте да използвате IF
SELECT guides.Gud_Id
, guides.Gud_Image
, guides.Gud_SubEditor
, guides.Gud_Reprint_Status
, guides.Gud_Publish_Date
, guides.Gud_Img_Chk
, guides.Gud_Published
, guides.Gud_View
, IF(guides.Gud_Publish_Date IS NULL,'Unscheduled','Forth Coming Titles')
AS Schedules
FROM guides
или ако наистина искате CASE
SELECT guides.Gud_Id
, guides.Gud_Image
, guides.Gud_SubEditor
, guides.Gud_Reprint_Status
, guides.Gud_Publish_Date
, guides.Gud_Img_Chk
, guides.Gud_Published
, guides.Gud_View
, (
CASE
WHEN guides.Gud_Publish_Date IS NULL
THEN 'Unscheduled'
ELSE 'Forth Coming Titles'
END
) AS Schedules
FROM guides