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

Teradata Vantage™ - SQL Data Definition Language Syntax and Examples

Product
Advanced SQL Engine
Teradata Database
Release Number
17.00
Release Date
September 2020
Content Type
Programming Reference
Publication ID
B035-1144-170K
Language
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)