The primary key is selected from the:

Related MCQs

• If every non-key attribute is functionally dependent on the primary key, then the relation will be in:
• A primary key when combined with a foreign key create
• An attribute of one table matching the primary key of another table, is called as
• The airline reservation system, the enables are date, flight number, place of departure, destination, type of plane & seats available. The primary key is
• When the values in one or more attributes being used as a foreign key must exist in another set of one or more attributes in another table, we have created a(n):
• If a relationship has a cascade updates constraint, then if ________ in the parent table is changed, then the same change will automatically be made to any corresponding foreign key value.