TD_LZ_COMPRESS Function | SQL Operators & User-Defined Functions | Vantage - TD_LZ_COMPRESS - Advanced SQL Engine - Teradata Database

SQL Operators and User-Defined Functions

Product
Advanced SQL Engine
Teradata Database
Release Number
17.00
Published
September 2020
Language
English (United States)
Last Update
2023-04-27
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B035-1210
lifecycle
previous
Product Category
Teradata Vantage™

Purpose

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

Syntax

[TD_SYSFNLIB.] TD_LZ_COMPRESS ( expression )
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.