Thursday, March 17, 2016

Relational Database Model Quiz, MCQs

Relational Database Model Questions and Answers, MCQs, Quiz No. 52:  Computer GK Sample Question Paper as part of Computer GK Sample Papers.This Sample paper will also help candidates in Competitive Exams, PSU Exam, State Govt & Central Govt. Examinations held each years. Computer GK Questions which you can access from our Free Mobile App of "COMPUTER GK" from Link: DOWNLOAD COMPUTER GK Mobile App . Here is sample Question paper as part of Computer GK Questions for upcoming examinations. 
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Relational Database Model Questions and Answers, MCQs, Quiz No. 52
ODBC stands for
A. Object Database Connectivity.
B. Oral Database Connectivity.
C. Oracle Database Connectivity.
D. Open Database Connectivity.
Answer: D

Architecture of the database can be viewed as
A. two levels.
B. four levels.
C. three levels.
D. one level.
Answer: C

A relation in this form is free of all modification anomalies.
A. First normal form
B. Second normal form
C. Third normal form
D. Domain/key normal form
Answer: D

A tuple is a(n):
A. column of a table.
B. two dimensional table.
C. row of a table.
D. key of a table.
Answer: C

In a relational model, relations are termed as
A. Tuples.
B. Attributes
C. Tables.
D. Rows.
Answer: C

The database schema is written in
A. HLL
B. DML
C. DDL
D. DCL
Answer: C

The term _______ is used to refer to a row.
A. Attribute
B. Tuple
C. Field
D. Instance
Answer: B

A domain is atomic if elements of the domain are considered to be ____________ units.
A. Different
B. Indivisbile
C. Constant
D. Divisible
Answer: B

The tuples of the relations can be of ________ order.
A. Any
B. Same
C. Sorted
D. Constant
Answer: A

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