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  3. August 2017

Re: Read all about it - 8 IBM RFE's entered. Vote now!

Uhm, it may not _need_ journaling, but in a shop like ours, where
everything runs under commitment control it definitely _uses_ journals,
thereby filling the journal receivers very rapidly.... happy disksellers...
;-)

Regards,
-Arco

Op donderdag 31 augustus 2017 heeft Rob Berendt <rob@xxxxxxxxx> het
volgende geschreven:

It doesn't use journals.
I think there are some presentations out there on it.
I've done a presentation at our lug.


Rob Berendt
--
IBM Certified System Administrator - IBM i 6.1
Group Dekko
Dept 1600
Mail to: 2505 Dekko Drive
Garrett, IN 46738
Ship to: Dock 108
6928N 400E
Kendallville, IN 46755
http://www.dekko.com





From: Matt Olson <Matt.Olson@xxxxxxxx <javascript:;>>
To: Midrange Systems Technical Discussion <midrange-l@xxxxxxxxxxxx
<javascript:;>>
Date: 08/31/2017 03:51 PM
Subject: RE: Read all about it - 8 IBM RFE's entered. Vote now!
Sent by: "MIDRANGE-L" <midrange-l-bounces@xxxxxxxxxxxx
<javascript:;>>



Temporal table support is probably exactly what we need. I forgot we have
that feature now. Does it utilize the same journals that exist, or does it
create another set of journals?

I tried to right click a table in ACS Schema browser and I don't see any
option to activate temporal table functionality on a table.

-----Original Message-----
From: Rob Berendt [mailto:rob@xxxxxxxxx <javascript:;>]
Sent: Thursday, August 31, 2017 2:20 PM
To: Midrange Systems Technical Discussion <midrange-l@xxxxxxxxxxxx
<javascript:;>>
Subject: RE: Read all about it - 8 IBM RFE's entered. Vote now!

Not to deprive you of yet another chance to deride Db2 but are you already
using many of the capabilities of Db2 which may help you with this?
Are you using Temporal Table support?
Are you using the audit colums such as
ALTER TABLE ...
ADD COLUMN audit_user VARCHAR(128) GENERATED ALWAYS AS (SESSION_USER)
ADD COLUMN audit_op CHAR(1) GENERATED ALWAYS AS (DATA CHANGE OPERATION);


Rob Berendt
--
IBM Certified System Administrator - IBM i 6.1 Group Dekko Dept 1600 Mail
to: 2505 Dekko Drive
Garrett, IN 46738
Ship to: Dock 108
6928N 400E
Kendallville, IN 46755
http://www.dekko.com





From: Matt Olson <Matt.Olson@xxxxxxxx <javascript:;>>
To: Midrange Systems Technical Discussion <midrange-l@xxxxxxxxxxxx
<javascript:;>>
Date: 08/31/2017 03:01 PM
Subject: RE: Read all about it - 8 IBM RFE's entered. Vote now!
Sent by: "MIDRANGE-L" <midrange-l-bounces@xxxxxxxxxxxx
<javascript:;>>



Sounds good, but I'm guessing I am looking for something more built into
the database by default.

Microsoft SQL Server has this. It's called change data capture (CDC), and
exposes the journal data for easy querying.

Say you have a table called IV00101 in SQL Server. Once you activate CDC
on a table a new system view shows up right away that you can query by
doing a "select * from cdc.IV00101" and you will get all the before, after

data in same layout as original table with the extra journal fields at the

beginning. Very powerful, easy to use, and built right into the database
platform. I am hoping DB2 can get there some day.

-----Original Message-----
From: Sam_L [mailto:lennon_s_j@xxxxxxxxxxx <javascript:;>]
Sent: Thursday, August 31, 2017 1:14 PM
To: midrange-l@xxxxxxxxxxxx <javascript:;>
Subject: Re: Read all about it - 8 IBM RFE's entered. Vote now!


On 8/31/2017 9:52 AM, Dan wrote:

BTW, in case one would like the extract function but don't need it in
ACS, Carsten Flensburg published the excellent EXTJRNDTA utility.

And Thomas Raddatz provides his excellent (and free) EXPJRNE tool:

"The EXPJRNE command exports journal entries of fiels, data areas and data

queues to an output file. The output file has the same layout as the
journalized file plus the journaling information. EXPJRNE makes it really
easy to analyze journal entries by SQL."
http://www.tools400.de/English/Freeware/Utilities/utilities.html

I believe Thomas may be adding something similar to the iSphere RDi
extension.



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