17.00 - ADD SYSTEM (column_name ) - Advanced SQL Engine - Teradata Database

Teradata Vantage™ - 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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Adds a system-determined storage format of COLUMN or ROW for the column_name or column_name group.


ADD SYSTEM (column_name ) alters the column partition in which the column exists to have a system-determined format of COLUMN or ROW, if it is not already defined with SYSTEM format.


If you do not specify a storage format, Vantage defaults to SYSTEM.


data type
Data type for the column.
column attributes
Specify attributes for the column.
AUTO COMPRESS
Autocompress data in the column.
NO AUTO COMPRESS
Do not autocompress data in the column.