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Data, Information, Database, and DBMS Quiz

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Data, Information, Database, and DBMS Quiz

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Questions and Answers

Which type of database model visualizes relationships as an upside-down tree of data?

Hierarchical Database (correct)

Object Relational Database

Relational Database

Network Database

What is the key characteristic of a Relational Database?

It is an extension of the network database model

It uses relations or two-dimensional tables to store information (correct)

It represents relationships in sets rather than hierarchy

It uses an upside-down tree structure

In which phase of Data Modeling is the overall structure described in more detail?

Physical Model

Abstract Model

Conceptual Model

Logical Model (correct)

What is the purpose of a Conceptual Model in Data Modeling?

To provide a starting point for data modeling by identifying data sets and flow Signup and view all the answers

What is the primary reason for doing Data Modeling?

To highlight information needs for different business processes Signup and view all the answers

Which type of database is designed to support collaboration in a small team?

Workgroup Database Signup and view all the answers

What is the main difference between data and information?

Data is unrefined while information is meaningful data. Signup and view all the answers

Which component of a Database Management System (DBMS) facilitates defining, constructing, manipulating, and sharing databases among users?

Database Signup and view all the answers

What is collective system of components that regulate the group of data, management, and use of data known as?

Database Environment Signup and view all the answers

In the context of DBMS, what does CASE stand for?

Computer Aided Software Engineering Signup and view all the answers

Which component of DBMS includes system analysts and programmers?

System Analysts/Programmers Signup and view all the answers

During which era did the evolution of Database Modeling start with File Processing Systems?

1960s Signup and view all the answers