Database Management Questions & Answers: part17



Software Programming : Database Management QUESTIONS AND ANSWERS :: part17 : 6 to 10

Following Software Programming language Entrance Multiple choice objective type questions and answers will help you in Software Programming 2024 examinations :

6.A null value is created or represented by

A zero
A space
Entering a value
Pressing the ESC key
Pressing the Enter key without making a prior entry of any kind.

7.Which of the following is not correct?

Each entity must include some descriptive information
If an object only requires an identifier, it should be classified as an attribute
Each multivalued attribute should be classified as an entity even if it does not have any descriptive information
The procedure of identifying entities and attaching attributes always leads to a unique solution
Every entity is a collection of attributes.

8.A ________ attribute is an attribute that can be further subdivided to yield additional attributes.

Composite
Simple
Single-valued
Multi-valued
Derived.

9.A relationship between the instances of a single entity type is called a _____ relationship.

Ternary
Primary
Binary
Auxiliary
Unary.

10.An entity type whose existence depends on another entity type is called a _____ entity.

Strong
Weak
Codependent
Variant
Independent.

More Database Management QUESTIONS AND ANSWERS available in next pages

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