that works as long as you can live with possibly inconsistent data in the joint table due to either
1) updates to the employee data on either site during the day not reflected in the joint table until the nightly processing is done 2) nightly process failing and data in the joint table either non-existent or wrong --- אדר_יחיאל <[EMAIL PROTECTED]> wrote: > Hello Srini > > We had a case like this where one of the tables was in a database > that > reside in a remote site. > Our solution was to create a table that combine employees tables from > 2 site > into one TABLE in the local site. > > This way the select and join is done ONCE at night. > > Yechiel Adar, Mehish Computer Services > [EMAIL PROTECTED] > > > -----Original Message----- > > From: [EMAIL PROTECTED] [SMTP:[EMAIL PROTECTED]] > > Sent: Wed, January 16, 2002 10:05 PM > > To: Multiple recipients of list ORACLE-L > > Subject: Database Views > > > > I would like get your opinion on what would be the best way provide > access > > to data across multiple databases on just on Node (database). > > > > One way that I have tried is create a view on one database that > reads > > tables > > across remaining four databases using Dblinks. Let us say there is > a > > table > > called CUSTOMER that resides on five databases, in order to make it > easier > > to generate reports, a combined view can be created with dblinks on > these > > tables using UNION ALL on one database. > > > > Only concern I have is that when using Dblinks, Oracle might copy > the > > entire > > remote table to the local database and then retrieve the data based > on > > where > > clause. This might be a significant performance issue especially > if the > > tables are very BIG. > > > > If there are better ways to accomplish this or any ideas on this > one will > > be > > greatly appreciated. > > > > Thank you, > > Srini > > > > -- > > Please see the official ORACLE-L FAQ: http://www.orafaq.com > > -- > > Author: > > INET: [EMAIL PROTECTED] > > > > Fat City Network Services -- (858) 538-5051 FAX: (858) 538-5051 > > San Diego, California -- Public Internet access / Mailing > Lists > > > -------------------------------------------------------------------- > > 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). > > -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- > > This e-mail was scanned by the eSafe Mail Gateway > > -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- > > -- > Please see the official ORACLE-L FAQ: http://www.orafaq.com > -- > Author: =?iso-8859-8?Q?=E0=E3=F8_=E9=E7=E9=E0=EC?= > INET: [EMAIL PROTECTED] > > Fat City Network Services -- (858) 538-5051 FAX: (858) 538-5051 > San Diego, California -- Public Internet access / Mailing > Lists > -------------------------------------------------------------------- > 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). __________________________________________________ Do You Yahoo!? Send FREE video emails in Yahoo! Mail! http://promo.yahoo.com/videomail/ -- Please see the official ORACLE-L FAQ: http://www.orafaq.com -- Author: Rachel Carmichael INET: [EMAIL PROTECTED] Fat City Network Services -- (858) 538-5051 FAX: (858) 538-5051 San Diego, California -- Public Internet access / Mailing Lists -------------------------------------------------------------------- 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).
