17.10 - Usage Notes - Advanced SQL Engine - Teradata Database

Teradata Vantage™ - SQL Operators and User-Defined Functions

Product
Advanced SQL Engine
Teradata Database
Release Number
17.10
Published
July 2021
Language
English (United States)
Last Update
2021-08-13
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When creating algorithmic compression (ALC) columns, you should include the compression and decompression functions by which the column is going to be compressed and uncompressed respectively.

When you insert data into ALC columns, the data is compressed. When you select ALC columns the data is uncompressed.

Uncompressed Data for the Following Data Types… Requires the Following Bytes…
TIME 6
TIMESTAMP 10
TIME WITH TIME ZONE 8
TIMESTAMP WITH TIME ZONE 12