Computer-Database Concepts [NCO- Cyber Olympiad (SOF) Class 12]: Questions 8 - 12 of 29

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Question 8

Question MCQ▾

________ Is a Binary Operation that Requires two Relations as its Operands and Generates a third Relation that Contains Tuples from both the Operand Relations.

Choices

Choice (4)Response

a.

Select Operation

b.

Set Difference Operation

c.

Project Operation

d.

Union Operation

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Question 9

Question MCQ▾

Which type of language a compiler uses the information to generate code to pass data between machines.

Choices

Choice (4)Response

a.

Data Manipulator Language

b.

Microsoft Interface Definition Language

c.

Interface Definition Language

d.

Data Definition Language

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Question 10

Question MCQ▾

Which of the following is/are types of relationships?

Choices

Choice (4)Response

a.

One-to-Many

b.

One-to-One

c.

Many-to-Many

d.

All a., b. and c. are correct

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Question 11

Question MCQ▾

In Database, a table that has a Physical Structure with Stored Records is called ________.

Choices

Choice (4)Response

a.

Truth Table

b.

Pivot Table

c.

Base Table

d.

Question does not provide sufficient data or is vague

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Question 12

Question MCQ▾

Identify the database model shown in the given image.

Diagram Shows the Database Model

Image title: Diagram shows the database model

Image description: This diagram shows the database model

Choices

Choice (4)Response

a.

Relational model

b.

Network model

c.

Object model

d.

Hierarchical model

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