Database Systems is a required textbook for my class, Data Management – MSBA 630 at the University of Louisville’s Master in Business Analytics program.

DataBase Systems: Design, Implementation, & Management.
By Carlos Coronel and Steven Morris
13th Edition 2019

1Why Databases?

Because databases make data persistent and shareable in a secure way, they are the best way to store, manage, and retrieve data very quickly.

Data: Raw facts, or facts that have not yet been processed to reveal their meaning the the end user.

Information = The result of processing raw data to reveal its meaning and facilitate decision making.

knowledge = The body of info and facts about a specific subject.

metadata = Data about data; data about data characteristics and relationships.

ad hoc query= a ‘spur-of-the-moment” question.

Types of Databases:
Single-user, desktop, multi-user, workgroup, enterprise, centralized, distributed, cloud, general-purpose, discipline-specific, and operational database.

Basic File Terminology:
Field
Record
File

 

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