17.05 - ALTER TABLE Syntax Elements (Map and Colocation Form) - Advanced SQL Engine - Teradata Database

Teradata Vantage™ - SQL Data Definition Language Syntax and Examples

Advanced SQL Engine
Teradata Database
Release Number
January 2021
Content Type
Programming Reference
Publication ID
English (United States)
Last Update
Name of an existing contiguous or sparse map.
You cannot specify TD_DataDictonaryMap or TD_GlobalMap.
COLOCATE USING colocation_name
Name for colocating the table on the same AMPs with other tables, join indexes, or hash indexes. For example, you can colocate two tables, then join the tables on the primary index or primary AMP index columns.
You cannot specify this option if you are altering the table to use a contiguous map. For a contiguous map, a colocation name is not needed for colocation and colocation_name is set to NULL.
If you do not want to colocate the table, do not specify this option.