4.10.2 Relational Database

Question 1

Define Attributes.

Answer 1

A characteristic specification that defines a property or feature about an entity stored in a database.

Question 2

Define Composite Primary Key.

Answer 2

A primary key made up from two or more other keys.

Question 3

Define Foreign Key.

Answer 3

A linking attribute that joins two tables in a relational database by being a primary key in one and a foreign key in the other.

Question 4

Define Primary Key.

Answer 4

A unique identifier that identifies each record in a table.

Question 5

Define Relational Databases.

Answer 5

A database where separate tables are made for each entity, and relationships between entities are represented by foreign keys.