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Impact of Changes to Daylight Saving Time (DST) Rules on the Oracle Database (Doc ID 357056.1)

Last updated on DECEMBER 02, 2019

Applies to:

Oracle Database - Standard Edition - Version 8.1.7.4 and later
Oracle Database - Enterprise Edition - Version 8.1.7.0 and later
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Information in this document applies to any platform.
***Checked for relevance on 09-Sep-2016***

Purpose

This note describes the impact of changes to DST rules on the Oracle database in general.

For specific information on Oracle database patches for changes to the DST rules please refer to: <Note 412160.1> Updated Time Zones in Oracle Time Zone File patches

Scope

This bulletin is intended for DBAs who are worried that any (upcoming) DST changes in their region will require many updates to their Oracle databases.

Details

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In this Document
Purpose
Scope
Details
 The DATE datatype and SYSDATE
 The Database timezone
 Standard use of time zone and DST information in the database, not including the OJVM
 OJVM
 Updates to Database and OJVM time zone files
References

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