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 |
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 |
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 |
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 |
Question 12
Question MCQ▾
Identify the database model shown in the given image.
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 |