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Thread: Add/Drop Partitions

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  1. #7
    Join Date
    May 2005
    Location
    Boracay
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    681
    Quote Originally Posted by jhmartin
    Global indexing means 1 index for the entire table.
    Hi dear....i forgot my partitioning knowledge because I haven't read
    it again for a long time. I have just created a partitioned table
    and a global index and did not bother about other options.

    What is the advantage/disadvantage again of a Global Index vs
    Global Partitioned Index vs a Local index in a Partitioned Table?

    If i relate it to a partitioned table:

    A. Non-partitioned, index by travel_date and fullname
    ---------------------------------------------------
    Select fullname from TRAVEL where travel_date='01-DEC-93'
    and fullname like 'BIN%LADEN%OSAMA%'

    B. Partitioned by travel_date, Global index by travel_date and fullname
    -------------------------------------------------------------
    Select fullname from TRAVEL PARTITION(TRAVEL1993)where
    and fullname like 'BIN%LADEN%OSAMA%'

    Which do u think runs faster? Or is partitioning just for ease
    in managing large tables and not really performance.

    Is it the same with Partitioned Indexes? They have same
    performance benefit with non partitioned index but only segment management differs.


    Thanks
    Last edited by yxez; 11-01-2006 at 11:28 PM.
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