(SELECT * FROM tblAnnouncementComment
INNER JOIN tblUser ON tblAnnouncementComment.uId=tblUser.uId)
UNION ALL
(SELECT * FROM tblNewsComment
INNER JOIN tblUser ON tblNewsComment.uId=tblUser.uId)
UNION ALL
(SELECT * FROM tblCareerComment
INNER JOIN tblUser ON tblCareerComment.uId=tblUser.uId)
UNION ALL
(SELECT * FROM tblEventComment
INNER JOIN tblUser ON tblEventComment.uId=tblUser.uId)
order by acomCreatedOn desc;
sorgumda bi çok kolon geliyor. Ben hangi kaydın hangi tabloya ait olduğunu nasıl bilebilirim?