Database Concepts Quiz

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Questions and Answers

What is an entity in the context of a database?

A computer program
A thing or object of importance about which data must be captured (correct)
A database management system
A data attribute

What is a database?

A collection of spreadsheets
A physical storage device
A set of programming instructions
A repository that stores information about different entities and contains relationships among entity sets (correct)

What is data modeling in database design?

The process of optimizing database performance
The process of capturing the structure of data and the relationships among data (correct)
The process of writing database queries
The process of documenting complex software designs

What is normalization in database design?

The process of organizing data to minimize redundancy and dependency (D) Signup and view all the answers

What is a database in the context of information storage and management?

A database is an electronic store of data that stores information about different 'things' and contains entities, entity sets, and relationships among entity sets. Signup and view all the answers

What are integrity rules in the context of a relational data model?

Rules that maintain data consistency and accuracy in a database (C) Signup and view all the answers

What is an entity in the context of a database?

An entity is a thing or object of importance about which data must be captured, such as a person, place, event, or item. Signup and view all the answers

What is data modeling in the context of database design?

Data modeling is the process of defining the structure of the data to be stored in the database, including the entities, attributes, and relationships among entity sets. Signup and view all the answers

What are the basic terms used to describe the structure of a database?

The basic terms used to describe the structure of a database include entity, data, attributes, entity set, database relationships, and integrity rules. Signup and view all the answers

What is the purpose of normalization in database design?

The purpose of normalization in database design is to reduce data redundancy and improve data integrity by organizing data into tables and defining relationships between them. Signup and view all the answers

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