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Database Management Systems: Data Independence and Multiple Views

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Database Management Systems: Data Independence and Multiple Views

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Questions and Answers

What is the main purpose of a Database Management System (DBMS)?

Design user interfaces
Manage computer hardware
Create business intelligence reports
Store and manage databases (correct)

Which of the following is NOT a typical functionality of a Database Management System (DBMS)?

Querying a database
Creating visualizations (correct)
Updating a database
Defining a database structure

What does an 'Entity' represent in a database model?

Data attribute
Specific object in the real world (correct)
Database user
Database table

What is the primary purpose of 'Relationships' in database modeling?

Relate entities with specific meanings (C) Signup and view all the answers

In the context of databases, what are 'Attributes'?

Properties used to describe entities (A) Signup and view all the answers

Which action does NOT fall under typical Database Management System (DBMS) functionalities?

Display real-time data (B) Signup and view all the answers

What is the purpose of defining a database structure in a DBMS?

To organize and specify tables, datatypes, and constraints (C) Signup and view all the answers

Which functionality of a Database Management System (DBMS) ensures data accuracy and consistency?

Data validation and integrity constraints (B) Signup and view all the answers

What is the significance of allowing multiple users and applications to access and share a database?

'It facilitates collaboration and data sharing' (C) Signup and view all the answers

'Backup and Recovery' in database management primarily aims to:

Ensure data availability and prevent loss. (A) Signup and view all the answers