RE: Oracle and DST changes

  • From: "Allen, Brandon" <Brandon.Allen@xxxxxxxxxxx>
  • To: <johan.muller@xxxxxxxxx>, <rajendra.pande@xxxxxxx>, <oracle-l@xxxxxxxxxxxxx>
  • Date: Wed, 24 Jan 2007 12:30:17 -0700

I believe there is are some errors in that article.  Under the "Oracle
Database" heading it says:

"In short, a database patch and a JVM may need to be applied. Once
applied, a script provided by Oracle called utltzuv2.sql will need to be
run.  This will tell you if any code in the db needs to be modified."

This is partially accurate, but incomplete.  The truth (at least for
10.2 - I haven't researched the procedures for all versions) is that
there are TWO patches for the database, one to install the updated
utltzuv2.sql script and the timezdif.csv file, which are then to be used
FIRST to check for any DATA (not code) that needs to be modified.  Any
data found by this script must be backed up into a varchar2 column
BEFORE running the second patch, which actually updates the timezone.dat
and timezlrg.dat files.  Then the backed up data can be copied back into
the TSTZ columns.

Also, the article lists pertinent Metalink notes, but it omits one that
I found to be very helpful: 
406410.1 "Dealing with existing Database time zone use when updating
Oracle TZ-files"

There is also a new FAQ note for this DST issue that I think was just
published today: 402742.1

Regards,
Brandon



-----Original Message-----
From: oracle-l-bounce@xxxxxxxxxxxxx
[mailto:oracle-l-bounce@xxxxxxxxxxxxx] On Behalf Of Johan Muller


Try this link - it gives a summary of the whole mess.

http://blogs.oracle.com/otn/stories/storyReader$367


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