Sparse Tables and Dense Tables - Teradata Vantage

Machine Learning Engine Analytic Function Reference

Product
Teradata Vantage
Release Number
8.00
1.0
Published
May 2019
Language
English (United States)
Last Update
2019-11-22
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B700-4003
lifecycle
previous
Product Category
Teradata Vantageā„¢

A sparse table allows a function to process more attributes than the database can support as columns; however, algorithms usually perform more efficiently if the input is a dense table.

Pivoting and Unpivoting functions convert from one to the other.