subquery
constraints
forign key
check constr
how 2 insrt null val
refrntial constrints in forgn key
on delete cascade
dropo a constranit
View User's Journal
About me
lordlebu
Community Member |
[img:3d4dbca155]http://i163.photobucket.com/albums/t301/lordlebu/lordlebu/board-1.jpg[/img:3d4dbca155]