RE: Data Purging Strategy

Burnt mud? Isn't that all scotch?

Scott Shafer
San Antonio, TX
210.581.6217

> -----Original Message-----
> From: Steve McClure [SMTP:smcclure_at_usscript.com]
> Sent: Wednesday, November 06, 2002 4:34 PM
> To: Multiple recipients of list ORACLE-L
> Subject: RE: Data Purging Strategy
>
> Sherry Finish? I thought you liked scotch that tasted like burnt mud?
>
> -----Original Message-----
> Jared.Still_at_radisys.com
> Sent: Wednesday, November 06, 2002 10:55 AM
> To: Multiple recipients of list ORACLE-L
>
>
> That reminds me:
>
> Mark, your annual stipend is due.
>
> Make it a case of Glenmorangie this time, Sherry finish. :)
>
> Jared
>
>
>
>
>
>
> John.Hallas_at_vodafone.co.uk
> Sent by: root_at_fatcity.com
> 11/06/2002 07:56 AM
> Please respond to ORACLE-L
>
>
> To: Multiple recipients of list ORACLE-L
> <ORACLE-L_at_fatcity.com>
> cc:
> Subject: RE: Data Purging Strategy
>
>
> Hey Dennis,
> Mark Leith is the only person on this list allowed to mention 3rd party
> products.
> I am sure he bought the franchise from Jared :)
>
> John
>
> -----Original Message-----
> Sent: 06 November 2002 14:15
> To: Multiple recipients of list ORACLE-L
>
>
> Prem - You are receiving some excellent advice from Tom and Tim. I would
> mention two items in addition:
> - If you ever hope to re-use the data you archive off-line, you must
> also
> archive all the related tables, because after all, this is a RELATIONAL
> database.
> - PrincetonSoftech has a product Active Archiving that looks pretty good
> from the demos I've seen. I haven't used it myself.
>
>
>
> Dennis Williams
> DBA, 40%OCP
> Lifetouch, Inc.
> dwilliams_at_lifetouch.com
>
> -----Original Message-----
> Sent: Wednesday, November 06, 2002 6:54 AM
> To: Multiple recipients of list ORACLE-L
>
>
> Prem,
>
> I would re-visit the requirement. Why do you feel the need to delete the
> data from the database? What is the purpose for this type of requirement?
> It would be far easier to modify the requirement than to do what you are
> thinking of doing.
>
> Adding columns to database tables indicating that a record has passed it's
> retention policy and thus, is not included in queries, would be a much
> easier solution.
>
> Or, simply moving these records to historical tables in the database - and
> NOT deleting them from the system - is a much better solution. The data
> is
> always accessible and not available in the current tables. And you will
> not
> be playing the "get the data from tape and reload it" game with all of
> it's
> problems (writing an offload program, table structure changes & offload
> program versions).
>
> Try and keep this as simple as possible.
>
> Hope this helps
>
> Tom Mercadante
> Oracle Certified Professional
>
> -----Original Message-----
> Sent: Wednesday, November 06, 2002 4:13 AM
> To: Multiple recipients of list ORACLE-L
>
>
>
> Dear List,
>
> I need some inputs from you all regarding purging data from the database.
>
> This is the requirement
>
>
> We define a retention period for all the data in the system.
> When the retention period is reached, the data should be deleted, but
> then
> at a later time, some user might request for this purged data. So it must
> be
> possible to retrieve this data.
>
> This is the strategy we have designed for this.
>
> When the retention period is reached, move the data from the main database
> to an offline database. Then delete the data from the main database.
>
> In the offline database, we cannot again keep it from long, so it has to
> moved to tapes. Now my question, how can we move this data to tapes and at
> the same time retrieve data from the tapes based on dates.
> i.e, the user will ask for the data on a particular date, so it must be
> possible to retrieve data from the tapes based on a date and load it to
> the
> database tables.
>
> Regards
> Prem
>
>
>
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> --
> Author: DENNIS WILLIAMS
> INET: DWILLIAMS_at_LIFETOUCH.COM
>
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> Author:
> INET: Jared.Still_at_radisys.com
>
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> Author: Steve McClure
> INET: smcclure_at_usscript.com
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  INET: Scott.Shafer_at_dcpds.cpms.osd.mil

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