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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