15.00 - Constraint Codes - Teradata Database

Teradata Database Design

prodname
Teradata Database
vrm_release
15.00
category
User Guide
featnum
B035-1094-015K

Constraint Codes

 

Code

Definition

FK

Foreign key

ID

Identity column

NC

No changes permitted

ND

No duplicates permitted

NN

Not null

PK

Primary key

SA

System-assigned

UA

User-assigned

Example