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Overview of Database Management Systems

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Questions and Answers

What is a database?

A random collection of data

A software application for data manipulation

A disorganized storage unit for information

A structured collection of data for efficient retrieval and management (correct)

What role does a database play in computer systems?

Enabling efficient storage and management of data (correct)

Performing calculations in applications

Storing only multimedia files

Providing direct access to the internet

What is the main function of a Database Management System?

Design websites

Run complex multimedia files

Control access to stored data

Create and organize databases (correct)

How does a DBMS serve as an interface between the database and end-users?

By facilitating interaction and controlling access to data Signup and view all the answers

What does organizing data into tables in a database allow for?

Defining relationships between data elements Signup and view all the answers

What is one of the key reasons why DBMS is crucial?

Safeguarding sensitive information Signup and view all the answers

Which characteristic of DBMS allows changes in the database structure without affecting applications using the data?

Data independence Signup and view all the answers

What does the network model of databases represent?

Data as nodes connected by edges in a graph Signup and view all the answers

How does DBMS help in efficient data retrieval?

By allowing users to retrieve specific information using queries Signup and view all the answers

What feature of DBMS helps in ensuring the consistency of the database by managing transactions?

Transaction Management Signup and view all the answers