Question 1

What is the purpose of a transaction in a database management system?

Accepted Answer

To ensure data consistency and integrity during a series of database operations

Answer

To visually represent data using charts and graphs

Answer

To optimize queries for better performance

Answer

To define the structure of a database

Question 2

Which of the following is an example of a popular relational database management system?

Accepted Answer

MySQL

Answer

MongoDB

Answer

Redis

Answer

SQLite

Question 3

What is an index in a database management system?

Accepted Answer

A data structure that improves the speed of data retrieval operations

Answer

A visual representation of data in graph form

Answer

A type of data that organizes information in a table

Answer

A function that combines multiple values into a single output

Question 4

What is the purpose of a database schema in a database management system?

Accepted Answer

To define the structure and organization of data in a database

Answer

To perform complex mathematical calculations

Answer

To analyze trends in data usage

Answer

To design user interfaces for applications

Question 5

What is the purpose of SQL in a database management system?

Accepted Answer

To query and manipulate data in the database

Answer

To create graphics and animations

Answer

To write code for applications

Answer

To design user interfaces

Question 6

What is normalization in the context of a database management system?

Accepted Answer

Organizing data in a database to avoid redundancy and dependency

Answer

Randomly arranging data in a database

Answer

Duplicating data for backup purposes

Answer

Deleting all data from a database

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