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Thread: Cache advantages?? Disadvantages..

  1. #1
    Join Date
    May 2001
    Dallas, US


    Hi Friends,
    Please give the advantages of Cache for performance tuning in Dataware house project...
    And also give an idea about disadvantages also.....

    Thanx in advance....

    With Regards...
    RP Kumar
    You Can Win, if u believe Yourself

  2. #2
    Join Date
    Nov 2000
    Baltimore, MD USA
    Now mind you, I haven't actually implemented a warehouse in Oracle yet, but my thoughts are:

    - Give up on the fact table. It is highly unlikely that you will *ever* find that data you want in the cache - set the table itself to the RECYCLE pool

    - The bitmap indexes should all definitely be in KEEP pool

    - For the dimension tables, if you have the room - set them all to KEEP. If not, you will need to decide which ones to put in KEEP and which for DEFAULT.

    Just my un-supported thoughts,

    - Chris

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