foreign key also refer to unique constraint??
401344Jan 20 2004 — edited Jan 20 2004foreign key also refer to unique constraint.
(GREAT...)
1.then table that containt unique constraint act as master table??
2.IS unique constraint will replace with primary key??
3.Is unique constraint+not null gives all fuctionality as primary key constraint in ???
4.if primary key=unique+not null then what is use of primary key????????????
thanks
kuljeet pal singh