Q

Are reorganizing procedures still necessary?

In the "old" days, let's say 20 years ago, it was necessary to have installed a REORGANIZING procedure, normally run at weekly intervals, to maintain the efficiency of the database in operational mode. Is this type of procedure not available anymore, or not needed, or is it totally part of Oracle's internals?

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In the "old" days, let's say 20 years ago, it was necessary to have installed a REORGANIZING procedure, normally run at weekly intervals, to maintain the efficiency of the database in operational mode. Is this type of procedure not available anymore, or not needed, or is it totally part of Oracle's internals? Thank you very much for your support and consideration.
Oracle does not need any scheduled reorganizations like databases did many years ago. It used to be that data became fragmented and hampered application performance. Fragmentation in the database typically does not cause you problems in today's Oracle database. In fact, Oracle's Locally Managed Tablespaces forces segment fragmentation, all without affecting application performance.
This was first published in November 2005

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