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Relational DBMS MCQs - Database Management System Question Bank with Answers

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]
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]


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