temporal tables don't use the journal at all AFAIK...

It creates a separate table and stores the info...

Temporal tables solve a different problem than CDC...

Charles


On Thu, Aug 31, 2017 at 1:51 PM, Matt Olson <Matt.Olson@xxxxxxxx> wrote:

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]
Sent: Thursday, August 31, 2017 2:20 PM
To: Midrange Systems Technical Discussion <midrange-l@xxxxxxxxxxxx>
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
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From: Matt Olson <Matt.Olson@xxxxxxxx>
To: Midrange Systems Technical Discussion <midrange-l@xxxxxxxxxxxx>
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>



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]
Sent: Thursday, August 31, 2017 1:14 PM
To: midrange-l@xxxxxxxxxxxx
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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