17.05 - DECOMPRESS USING - Advanced SQL Engine - Teradata Database

Teradata Vantage™ - SQL Data Definition Language Syntax and Examples

Advanced SQL Engine
Teradata Database
Release Number
Release Date
January 2021
Content Type
Programming Reference
Publication ID
English (United States)

Algorithmically decompress data in this column. For a list of data types that can be algorithmically compressed, see the COMPRESS and DECOMPRESS phrases in Teradata Vantage™ - Data Types and Literals, B035-1143.

To specify DECOMPRESS USING compress_UDF_name, the table cannot be populated with rows. 
The default containing database for decompress_UDF_name is SYSUDTLIB. If decompress_UDF_name is an embedded services UDF, then its default containing database is TD_SYSFNLIB. If decompress_UDF_name is not contained in SYSUDTLIB or TD_SYSFNLIB, Vantage returns an error to the requestor.

The name of the UDF to be used to algorithmically decompress data in this column.