Nancy I would second Mladen's recommendation that you review Princeton Softech. Another consideration that I didn't see anyone mention is that most people discussed data archiving on a table-by-table basis. But Oracle is a RELATIONAL database and it rarely does any good to just archive a few isolated tables. That was one aspect of Softech that impressed me was how well it handled the requirement to archive related sets of data.
Dennis Williams DBA, 80%OCP, 100% DBA Lifetouch, Inc. [EMAIL PROTECTED] -----Original Message----- Sent: Friday, September 12, 2003 3:55 PM To: Multiple recipients of list ORACLE-L Partitioning in itself is not a complete solution, because it doesn't keep track of changes. You may also want to try Princeton Softech, which has a great product that archives things directly to CD juke box and keeps track of what is where and changes needed in order to get it back online, if necessary. The URL is: http://www.princetonsoftech.com They have some great products there. While I was working for Oxford, I worked with their product caled "Move For Servers" which creates logically conistent subsets (it follows RI). I was very impressed with the product as well as with the quality of the support staff. Those guys are good, especially Kevin Hamson. -- Mladen Gogala Oracle DBA > -----Original Message----- > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On > Behalf Of Nancy Hu > Sent: Friday, September 12, 2003 4:30 PM > To: Multiple recipients of list ORACLE-L > Subject: RE: archive old data > > > I really appreciate all replies. Those solutions are very > good. I think > partition works for our case. > > Nancy > > > >From: "Stephane Faroult" <[EMAIL PROTECTED]> > >Reply-To: [EMAIL PROTECTED] > >To: Multiple recipients of list ORACLE-L <[EMAIL PROTECTED]> > >Subject: RE: archive old data > >Date: Fri, 12 Sep 2003 09:34:25 -0800 > > > >In an ideal world, tables are partitioned and you just have > to archive > >partitions - either to other tables in an ARCHIVE schema, or > by exporting > >them - and then you can truncate them (=partitions). In the > real world, you > >always have some rows at a very old date which are *not* in > the CLOSED > >state. Which means that partitioning on a state with row > movement enabled > >is not necessarily to be frowned upon. > >If you don't have enormous amounts of data, CREATE TABLE AS > SELECT to save > >the data to archive somewhere. Rather than deleting the rows > afterwards, > >it's probably better to do a CREATE TABLE AS SELECT > elsewhere with the rows > >you want to keep, then TRUNCATE the table, then reinsert the > rows back - it > >will have the advantage of reorganizing and resetting the > high-water mark. > >Of course you will have to juggle with constraints and triggers. > > > >If you feel lazy, just convince your management that since > disk space > >is so > >cheap nowadays they can keep everything online. > > > >HTH > > > >SF > > > > >----- ------- Original Message ------- ----- > > >From: "Nancy Hu" <[EMAIL PROTECTED]> > > >To: Multiple recipients of list ORACLE-L <[EMAIL PROTECTED]> > > >Sent: Fri, 12 Sep 2003 08:49:31 > > > > > >We have some tables that have data for many years. > > >We are going to archive > > >the data that are older than 3 years. I would like > > >to find out how you guys > > >usually do this or a best way to do this. Thanks > > >for any inputs in advance. > > > > > >Nancy > > > > > > > >-- > >Please see the official ORACLE-L FAQ: http://www.orafaq.net > >-- > >Author: Stephane Faroult > > INET: [EMAIL PROTECTED] > > > >Fat City Network Services -- 858-538-5051 http://www.fatcity.com > >San Diego, California -- Mailing list and web hosting services > >--------------------------------------------------------------------- > >To REMOVE yourself from this mailing list, send an E-Mail message > >to: [EMAIL PROTECTED] (note EXACT spelling of 'ListGuru') > and in the > >message BODY, include a line containing: UNSUB ORACLE-L (or > the name of > >mailing list you want to be removed from). 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Any views expressed in this message are those of the individual sender, except where the message states otherwise and the sender is authorized to state them to be the views of any such entity. -- Please see the official ORACLE-L FAQ: http://www.orafaq.net -- Author: Mladen Gogala INET: [EMAIL PROTECTED] Fat City Network Services -- 858-538-5051 http://www.fatcity.com San Diego, California -- Mailing list and web hosting services --------------------------------------------------------------------- To REMOVE yourself from this mailing list, send an E-Mail message to: [EMAIL PROTECTED] (note EXACT spelling of 'ListGuru') and in the message BODY, include a line containing: UNSUB ORACLE-L (or the name of mailing list you want to be removed from). You may also send the HELP command for other information (like subscribing). -- Please see the official ORACLE-L FAQ: http://www.orafaq.net -- Author: DENNIS WILLIAMS INET: [EMAIL PROTECTED] Fat City Network Services -- 858-538-5051 http://www.fatcity.com San Diego, California -- Mailing list and web hosting services --------------------------------------------------------------------- To REMOVE yourself from this mailing list, send an E-Mail message to: [EMAIL PROTECTED] (note EXACT spelling of 'ListGuru') and in the message BODY, include a line containing: UNSUB ORACLE-L (or the name of mailing list you want to be removed from). You may also send the HELP command for other information (like subscribing).
