17.10 - Example: Compressing Unicode Values - Advanced SQL Engine - Teradata Database

Teradata Vantage™ - SQL Operators and User-Defined Functions

Product
Advanced SQL Engine
Teradata Database
Release Number
17.10
Release Date
July 2021
Content Type
Administration
Programming Reference
Publication ID
B035-1210-171K
Language
English (United States)

In this example, the Unicode values in the Description column are compressed using the LZCOMP function with ALC. The LZDECOMP function uncompresses the previously compressed values.

CREATE MULTISET TABLE Pendants
   (ItemNo INTEGER,
    Gem CHAR(10) UPPERCASE CHARACTER SET UNICODE,
    Description VARCHAR(1000) CHARACTER SET UNICODE
       COMPRESS USING TD_SYSFNLIB.LZCOMP
       DECOMPRESS USING TD_SYSFNLIB.LZDECOMP);