DefaultTimeThreshold - Advanced SQL Engine - Teradata Database

Database Utilities

Product
Advanced SQL Engine
Teradata Database
Release Number
17.00
Published
June 2020
Language
English (United States)
Last Update
2020-06-15
dita:mapPath
boh1556732696163.ditamap
dita:ditavalPath
lze1555437562152.ditaval
dita:id
B035-1102
lifecycle
previous
Product Category
Teradata Vantage™

Purpose

Specifies the amount of time in days that must elapse before statistics will be recollected on a table. If fewer than the set number of days has passed 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 DAYS option.

Field Group

Optimizer Statistics

Valid Range

0 through 9999

Default

0, indicating time threshold checks are disabled.

Changes Take Effect

After the DBS Control Record has been written.

Usage Notes

Statistics are used by the optimizer to improve query performance.

Related Topics

For more information on… See…
Optimizer statistics fields