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
Question
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
Solution
The answer is a. Super key. A super key is a set of one or more attributes that, taken collectively, allows us to identify uniquely an entity in an entity set.
Similar Questions
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
Choose the correct answerWhich one of the following is a set of one or more attributes taken collectively to uniquely identify a record?OptionsSub keyCandidate KeySuper KeyForeign 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.
A ……………. is used to uniquely identify all table records.Foreign KeyPrimary KeyComposite KeyDerived Key
Upgrade your grade with Knowee
Get personalized homework help. Review tough concepts in more detail, or go deeper into your topic by exploring other relevant questions.