17.00 - Example: HELP COLUMN On Non-Column Expressions Only - Advanced SQL Engine - Teradata Database

Teradata Vantage™ - SQL Data Definition Language Syntax and Examples

Advanced SQL Engine
Teradata Database
Release Number
Release Date
September 2020
Content Type
Programming Reference
Publication ID
English (United States)

The following request executes HELP COLUMN on 3 expressions, but no actual columns. Note that report does not include column names, but instead lists the data types, nullability, and output format.

     HELP COLUMN 1+10, 10.1+1, 'asdf'||'asd1';
     *** Help information returned. 3 rows.
     *** Total elapsed time was 1 second.
     Column Name                 Type Nullable Format
     --------------------------- ---- -------- -------------------------
                                 I    Y        -(10)9
                                 D    Y        ---------------.9
                                 CV   Y        X(8)