Lesson 1: Data Entities, Attributes, and Keys

Question 1

An —— is a
person, place, or thing (object) for which data is collected, stored, and maintained. Examples of entities include employees, products, and customers.
Most organizations organize and store data as entities.

Answer 1

entity

Question 2

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

Answer 2

entity

Question 3

An ———- is a characteristic of an entity.

Answer 3

attribute

Question 4

The specific value of an
attribute.

Answer 4

data item

Question 5

A ———- is a field or set of fields that uniquely identifies the record. No
other record can have the same primary key.

Answer 5

primary key