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Posted May 26, 2006

Trace the evolution of rows with Oracle 10g's Flashback Versions Query

By DatabaseJournal.com Staff

[From Builder.com]

One of the trickiest problems to troubleshoot is the interaction between multiple applications that access the same data. Although each application in itself may be well-behaved, each app may make assumptions about the data that another doesn't. As a result, rows can appear, get changed, and disappear when you least expect it.

In the past, the methodology for troubleshooting such issues was to dump the data while both programs were running to try to trace what happened when. The introduction of Log Miner made the task easier, but it was cumbersome to use. Now, in Oracle 10g, there is a new tool that does a similar job as Log Miner, but much more conveniently.

The article continues at http://builder.com.com/5100-6388_14-6075503.html?tag=sc

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