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  1. #1
    Join Date
    Feb 2007

    data dictionary in system tablespace and in dictionary cache

    Data dictionay holds information about all tables and views of database.

    Then,what is the difference between "dictinary cache/rowcache" contents and "data dictinary" in system tablespace??


  2. #2
    Join Date
    Mar 2007
    Ft. Lauderdale, FL
    Not sure about your reference to system tablespace.

    Data Dictionary is a collection of tables.
    Dictionary Cache/Row Cache is a "cache" sitting in SGA...

    Does it rings a bell about the difference in between them?

    RTFM ;-)
    Pablo (Paul) Berzukov

    Author of Understanding Database Administration available at amazon and other bookstores.

    Disclaimer: Advice is provided to the best of my knowledge but no implicit or explicit warranties are provided. Since the advisor explicitly encourages testing any and all suggestions on a test non-production environment advisor should not held liable or responsible for any actions taken based on the given advice.

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