TruncateHistorySP | SQL Operators & User-Defined Functions | Teradata Vantage - 17.10 - TruncateHistorySP - Advanced SQL Engine - Teradata Database

Teradata Vantage™ - SQL Operators and User-Defined Functions

Product
Advanced SQL Engine
Teradata Database
Release Number
17.10
Release Date
July 2021
Content Type
Administration
Programming Reference
Publication ID
B035-1210-171K
Language
English (United States)

Truncates old history rows from TDMaps tables. Periodically run this procedure to prevent historical data from consuming an excessive amount of space.

ANSI Compliance

This statement is a Teradata extension to the ANSI SQL:2011 standard.

Syntax

CALL [TDMaps.] TruncateHistorySP ('OlderThan', :NumDeletedRows) [;]

Syntax Elements

TDMaps.
The name of the database.
OlderThan
Deletes TDMaps history data older than the specified time. It cannot be NULL.
NumDeletedRows
The output parameter for the number of deleted rows in ActionHistoryTbl, LogTbl, and AnalyzeLogTbl.