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Essentials Of Database Management Hoffer Complete Course Review Guide

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Essentials Of Database Management Hoffer Complete Course Review Guide

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ESSENTIALS OF DATABASE MANAGEMENT
HOFFER COMPLETE COURSE REVIEW GUIDE

◉ What is information?
Answer: Data that is accessed by a user for a particular purpose.


◉ What is metadata?
Answer: Data that describes the structure and properties of the data.


◉ What is a database?
Answer: A structured collection of related data stored on a
computer.


◉ What is a DBMS?
Answer: Software used to create, store, retrieve, update, delete, and
maintain databases.


◉ What is a database system?
Answer: A computer-based system that allows users to interact
efficiently with information stored in a database.


◉ What can a DBMS be used for?

, Answer: Creation, storage, retrieval, updating, deletion, and
maintenance of databases.


◉ What are the two purposes of information collected in a database
system?
Answer: Operational (transactional) and analytical purposes.


◉ True or False: Data and information always mean exactly the same
thing.
Answer: False.


◉ True or False: Metadata describes the data.
Answer: True.


◉ What is conceptual database modeling?
Answer: A visualization of database requirements using ER
modeling.


◉ What is another name for conceptual database modeling?
Answer: Database requirements visualization.


◉ Which model is created first?
Answer: Conceptual database model.

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