A set of one or more fields taken collectively to uniquely identify a record is called __________a.Candidate keyb.None of the answers are correctc.Super keyd.Primary Keye.Foreign keyClear my choice

Which one of the following is a set of one or more attributes taken collectively to uniquely identify a record?Question 1Answera.Super keyb.Candidate keyc.Foreign keyd.Sub key

A ……………. is used to uniquely identify all table records.Foreign KeyPrimary KeyComposite KeyDerived Key

An attribute in a relation is a foreign key if the _______ key from one relation is used as an attribute in that relation.a.Superb.Primaryc.Candidated.unique

What is a candidate key?Group of answer choicesA super key with no redundant attributes.A key that can have duplicate values.A key that is always used as a primary key.A key that contains a composite of two or more foreign keys.

An attribute of one table matching the primary key of another table is calleda.foreign keyb.seconday keyc.candidate keyd.composite keyClear my choice