How to Change the Null Specification | Basic Teradata Query - 17.00 - Changing the Null Specification - Basic Teradata Query

Basic Teradata® Query Reference

prodname
Basic Teradata Query
vrm_release
17.00
created_date
June 2020
category
Programming Reference
featnum
B035-2414-220K

The NULL specification identifies the character or a string of characters that BTEQ uses to represent null value fields in the reported results for a data-returning SQL request. The BTEQ NULL specification can range from 1 to 253 characters. The default value is a single question mark character.

Example – NULL

Use the following BTEQ NULL command, for example, to specify a string of three hyphens as the null specification:

.SET NULL AS '---'