16.10 - PRPDSkewPct - Teradata Database

Teradata Database Utilities

Product
Teradata Database
Release Number
16.10
Published
June 2017
Language
English (United States)
Last Update
2018-04-26
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Purpose

Determines the percentage of rows in a join that are used by the optimizer to determine the number of skewed values used for split conditions when partial redistribution and partial duplication (PRPD) optimization is used.

A PRPD join strategy helps to minimize the impact of skew on join performance.

Field Group

Performance

Valid Range

1 through 100

Default

50

Changes Take Effect

After the DBS Control record has been written.

Related Topics

For more information on PRPD, see: