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.
1 through 100
Changes Take Effect
After the DBS Control record has been written.
- Teradata Vantage™ - SQL Request and Transaction Processing, B035-1142