16.20 - CHECK Constraint Attributes - Teradata Database - Teradata Vantage NewSQL Engine

Teradata Vantage™ SQL Data Definition Language Detailed Topics

Teradata Database
Teradata Vantage NewSQL Engine
Release Number
March 2019
Content Type
Programming Reference
Publication ID
English (United States)

The following table lists the attributes reported as the result of a HELP CONSTRAINT request for a check constraint.

Attribute Data Type Nullable Description
Name VARCHAR (30) No The name of the constraint about which HELP information is being reported.
Type VARCHAR(15) No The type of constraint. For check constraints, the value is CHECK.
Constraint VARCHAR(255) No The text of the constraint clause,
Dictionary Name VARCHAR(128) No The attributes shown in this section are derived from and supersede the corresponding older Name attribute, while providing additional functionality.

The Name attribute is retained for compatibility with existing applications.

For details on the new attributes, see the topics beginning with Object Name and Title Data in HELP Reports.

UEscape VARCHAR(1) Yes