15.00 - 15.10 - Referential Integrity Terminology - Teradata Database

Teradata Database Introduction to Teradata

Product
Teradata Database
Release Number
15.00
15.10
Content Type
User Guide
Publication ID
B035-1091-151K
Language
English (United States)
Last Update
2018-09-25

We use the following terms to explain the referential integrity concept.

 

Term

Definition

Parent Table

The table referred to by a Child table. Also called the “referenced table.”

Child Table

A table in which the referential constraints are defined. Also called the “referencing table.”

Parent Key

A candidate key in the parent table.

Primary Key

With respect to referential integrity, a primary key is a parent table column set that is referred to by a foreign key column set in a child table.

Foreign Key

With respect to referential integrity, a foreign key is a child table column set that refers to a primary key column set in a parent table.