15.10 - ADD SYSTEM (column_name ) - Teradata Database

Teradata Database SQL Data Definition Language Syntax and Examples

prodname
Teradata Database
vrm_release
15.10
created_date
December 2015
category
Programming Reference
featnum
B035-1144-151K

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, Teradata Database 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.