Optional Entries in Syntax Diagrams | Teradata Reference - 17.00 - Optional Entries - 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

You may choose to include or disregard optional entries. Optional entries appear below the main path:


Example of an Optional Entry in a Syntax Diagram

If you can optionally choose from more than one entry, all the choices appear below the main path:


Multiple optional entries in a syntax diagram

Some commands and statements treat one of the optional choices as an assumed default value. This value is UNDERLINED. It is presumed to be selected if you type the command or statement without specifying one of the options.