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Essentials Of Database Management Hoffer Essential Study Questions And Answers

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Essentials Of Database Management Hoffer Essential Study Questions And Answers

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ESSENTIALS OF DATABASE MANAGEMENT
HOFFER ESSENTIAL STUDY QUESTIONS AND
ANSWERS

◉ 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.


◉ Which model is created after the conceptual model?
Answer: Logical database model.


◉ What is the first step in database development?
Answer: Requirements collection, definition, and visualization.


◉ What is logical database modeling?
Answer: Creating a database model that can be implemented by a
DBMS.


◉ What language is commonly used during database
implementation?
Answer: SQL (Structured Query Language).


◉ What is SQL used for?
Answer: Creating, modifying, deleting database structures and
manipulating data.


◉ What are front-end applications?

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