NULL - Advanced SQL Engine - Teradata Database

SQL Data Definition Language Syntax and Examples

Product
Advanced SQL Engine
Teradata Database
Release Number
17.00
Published
September 2020
Language
English (United States)
Last Update
2021-01-23
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B035-1144
lifecycle
previous
Product Category
Teradata Vantage™

The default is NULL except when you copy a table definition using the CREATE TABLE … AS syntax, in which case the system carries the specification made for the source table over to the target table definition.

NOT
You must specify NOT NULL if you do not want nulls to be valid for the column.