Relational DBMS MCQs - Database Management System Question Bank with Answers

Questions

31 A field used to access a apecific record is called :

A key

B Attribute

C Domain

D None of the above

Answer: Option [A]

32 The index consists of :

A A list of keys

B Pointer to the matter list

C Both [A] and [B]

D All of the above

Answer: Option [C]

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33 The following entities/attributes in a relational database should not have null values :

A keys

B variables

C relations

D all of the above

Answer: Option [A]

34 The relational model uses some unfamiliar terminology. A tuple is equivalent to a :

A record

B field

C file

D database

Answer: Option [A]

35 The set of all possible values of data items is called :

A Domain

B Attribute

C Tuples

D None of these

Answer: Option [A]