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Transparent data access
Getting data into the archive is one thing; allowing the native app to seamlessly retrieve it is quite another. Even though each vendor offers this feature, the task is handled somewhat differently by each one. For instance, when Applimation's Informia Archive is deployed in conjunction with packaged business apps such as PeopleSoft, Oracle Applications or Siebel, the information is first relocated to an online archive database for continued, seamless access through the native app's screens and reports. Once the data in the online archive is moved to WORM or any flat-file format, it's inaccessible to the native app and can only be accessed using Applimation's search facility.
HP's RIM for Databases Relocater supports different archiving options for accessing current and archived data. Relocater may archive to the same database, but to a different table space or an entirely different database. Tektronix's Hughes chose to archive to an entirely different database, and HP's RIM for Databases lets users view the archived data in the same reports and forms they see in the production environment.
All of the vendors enable users to do a query that pulls back all pertinent information whether the data resides in the production database, an archive database or flat file. For instance, Princeton Softech's Optim offers this query capability in its core product, while HP's RIM for Databases leverages its Transparency Layer and Combined Reporting features to virtually aggregate the data across different data repositories.
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