Database Systems and Data Management

This set of flashcards focuses on key terms and definitions related to database systems and data management.

data

Raw facts such as an employee number or total hours worked in a week.

information

A collection of data organized and processed to have additional value beyond the individual facts.

knowledge

The awareness and understanding of a set of information and how it can be useful for a task or decision.

entity

A person, place, or thing for which data is collected, stored, and maintained.

file

A collection of similar entities.

attribute

A characteristic of an entity.

domain

The range of allowable values for a data attribute.

high-quality data

Data that is accurate, complete, relevant, and timely, which helps improve decision making and operational efficiency.

garbage in, garbage out

A principle that suggests that poor quality input will result in poor quality output.

cross-selling

Inviting customers to purchase an item related to what they are primarily interested in.

up-selling

Encouraging customers to buy a comparable, but higher-end product.

timely information

Information delivered when it is needed.

reliable information

Information that can be trusted by users, often dependent on the data collection method.