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Thread: Bulk insert

  1. 05-10-2009 01:08 PM #1
    jaytav001
    jaytav001 is offline Junior Member
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    Exclamation Bulk insert

    hi friends... need help...

    i am want to insert 500 million data from sTable to dTable such as

    insert into dTable
    select * from sTable

    time taken : 20 mins
    Note : there are no index or any constraint on both the tables.
    database : oracle 10g

    is there any fast way to insert bulk data ?
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  2. 05-10-2009 06:37 PM #2
    PAVB's Avatar
    PAVB
    PAVB is offline Senior Advisor
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    Twenty minutes for half a billion rows doesn't look that bad.

    You may want to try append hint.

    Also, if tables are partitioned you may want to use parallel processing; for a few partitions you may want to set degree of parallelism to the number of partitions.
    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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