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Database Concepts Quiz for Class 12 Computer Science Students

10 Questions

6 Views

Database Concepts Quiz for Class 12 Computer Science Students

Created by

@ThrilledIllumination

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Questions and Answers

What does RDBMS stand for?

Random Data Management System

Relationship Data Management System

Recorded Data Management System

Relational Database Management System (correct)

What is a database?

A single data point stored in a spreadsheet

A set of unrelated files stored on a hard drive

A collection of random data stored on a computer

A collection of logically related data that has been recorded, organized and made available for searching (correct)

What is a tuple in the context of databases?

A group of related databases

A collection of tables

A column of a table

A row of a table (correct)

What is the purpose of DBMS?

To organize and manage collections of data Signup and view all the answers

What is a key in the context of databases?

Column or a combination of columns which can be used to identify one or more rows in a table Signup and view all the answers

What is the term used for a collection of tuple in the context of RDBMS?

Relation Signup and view all the answers

What is the term used for a row of a table in the context of RDBMS?

Tuple Signup and view all the answers

What is the term used for a column of a table in the context of RDBMS?

Attribute Signup and view all the answers

What is the term used for the data type of values in each column of a table in the context of RDBMS?

Domain Signup and view all the answers

What is the term used for a column or a combination of columns which can be used to identify one or more rows in a table in the context of RDBMS?

Key Signup and view all the answers

Study Notes

Database Fundamentals

RDBMS stands for Relational Database Management System.
A database is a collection of organized data that is stored in a way that allows for efficient retrieval and manipulation.

Data Organization

A tuple is a single row of data in a database table.
A relation is a collection of tuples in the context of RDBMS.
A row is also known as a tuple in the context of RDBMS.
A column is a single field of data within a table in the context of RDBMS.
A data type is the type of value that can be stored in each column of a table in the context of RDBMS.

Database Management

The purpose of DBMS (Database Management System) is to manage and provide access to a database.
A key is a column or a combination of columns that can be used to identify one or more rows in a table in the context of RDBMS.

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Description

Test your knowledge of database concepts with this quiz covering DBMS, RDBMS, keys, and other terminologies. Perfect for students studying Computer Science in Class 12 and preparing for CBSE exams.