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

SQL Operators and User-Defined Functions

Product
Advanced SQL Engine
Teradata Database
Release Number
17.00
Published
September 2020
Language
English (United States)
Last Update
2023-04-27
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qqu1556127655717.ditamap
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dita:id
B035-1210
lifecycle
previous
Product Category
Teradata Vantage™

Purpose

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

Syntax

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