+ 1
primary key?
how to create a table with 2 primary keys? not using candidate key?
6 Respuestas
+ 6
why would you need 2 primary keys? pls elaborate
+ 4
You can only have one primary key :) but you can have a Composite Primary Key which is a primary key made from two or more columns.
like that :-
primary key (S-ID, GPA)
+ 1
You cannot have2 PK in a table
0
i possible
0
there is no scope of using two primary keys together
0
identifies the uniqueness of the records in the database and ignores the redundancy of the data