17.10 - DefaultUserChangeThreshold - Advanced SQL Engine - Teradata Database

Teradata Vantage™ - Database Utilities

Product
Advanced SQL Engine
Teradata Database
Release Number
17.10
Release Date
July 2021
Content Type
Configuration
Publication ID
B035-1102-171K
Language
English (United States)

Specifies the percentage of rows that must be changed or added to a table before statistics will be recollected on that table. If less than the set percentage of the table rows has changed since the previous statistics collection, no new statistics will be collected.

This field is used when a COLLECT STATISTICS SQL statement does not specify the USING THRESHOLD PERCENT option.

Field Group

Optimizer Statistics

Valid Range

0 through 9999

Default

0

Changes Take Effect

After the DBS Control Record has been written.

Usage Notes

Statistics are used by the optimizer to improve query performance.

Related Information

For more information on… See…
Optimizer statistics fields