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Understanding Databases

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Questions and Answers

What is a database?

An unorganized collection of data
A random assortment of facts
A container of irrelevant information
An organized collection of data (correct)

Why is it necessary to use database programs like Microsoft Access or MySQL in a computerized system?

To organize data as per business needs (correct)
To slow down the data retrieval process
To make it hard to find information
To complicate the data organization process

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

To complicate the use of databases
To create chaos in database management
To simplify database creation and maintenance (correct)
To prevent organizations from using databases

How does a database support processes that require information?

By organizing data in a way that models relevant aspects of reality (C) Signup and view all the answers

What problem did the concept of databases evolve to address since the 1960s?

Increasing difficulties in designing and maintaining complex information systems with diverse data (C) Signup and view all the answers

What type of software package is a Database Management System?

A software package that controls the creation, maintenance, and use of a database (B) Signup and view all the answers

What is the purpose of a DBMS?

To allow different user application programs to access the same database (B) Signup and view all the answers

What distinguishes Flat File organization from Relational organization of data?

Relational links tables using a common field (A) Signup and view all the answers

How does a Database reduce data redundancy?

By ensuring a single database where changes are reflected immediately (A) Signup and view all the answers

What is the purpose of Data Integrity in a database?

To ensure data is accurate and consistent (D) Signup and view all the answers

Which of the following statements about Data Security in a database is correct?

Only authorised users should be allowed to access the database with proper authentication (A) Signup and view all the answers

What does the privacy rule in a database state?

Authorized users must have proper authentication to access the database (A) Signup and view all the answers