16.20 - TD_LZ_COMPRESS - Advanced SQL Engine - Teradata Database

Teradata Vantage™ - SQL Operators and User-Defined Functions

Product
Advanced SQL Engine
Teradata Database
Release Number
16.20
Release Date
April 2020
Content Type
Administration
Programming Reference
Publication ID
B035-1210-162K
Language
English (United States)

Purpose

Compresses any supported ALC data type or predefined type data using the Lempel-Ziv algorithm.

Syntax



TD_SYSFNLIB.
Name of the database where the function is located.
expression
  • Any supported ALC data type when using the function as the compression routine for ALC on a column.
  • Any supported ALC data types and all predefined data types and Distinct UDTs when calling the function.
This function takes no arguments when used as part of the COMPRESS USING or DECOMPRESS USING phrases.