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Thread: rupd$ in materialized view logs

  1. #1
    Join Date
    Feb 2007
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    212

    rupd$ in materialized view logs

    Dear Friends,

    I created a materialized view log on on EMP. And It created me two tables
    which are (MLOG$_EMP and RUPD$_EMP).
    Whats the purpose of this RUPD$_EMP pls?

    Thanks

  2. #2
    Join Date
    Sep 2001
    Location
    Makati, Philippines
    Posts
    857
    delete it, it means trouble.
    ---------------

  3. #3
    Join Date
    Feb 2007
    Posts
    212
    what? are u kidding papa rey...why the trouble

  4. #4
    Join Date
    Sep 2001
    Location
    Makati, Philippines
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    857
    that means, it shouldn't be there. Only the MLOG$_.
    ---------------

  5. #5
    Join Date
    Sep 2002
    Location
    England
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    7,334
    why on earth do you say that????? what a stupid answer

    rupd$ tables are there when the mv log tables have primary keys and it supports updateable mv's which can only be done on log tables with pk's

  6. #6
    Join Date
    Sep 2001
    Location
    Makati, Philippines
    Posts
    857
    you really is a trigger happy Davey when it comes to negative remarks..

    Actually, It just popup into my mind 'coz I remember it once when I encounter an error like "ORA-995" or "ORA-955".

    So if Jen didn't encounter any problem then be happy with your life.

    That's why I mentioned "trouble", 'coz that's what I remember. I'm not into MVs lately, and yet I don't excuse myself.

    You don't need to do that Davey coz I never give that kind of remarks when you're on the other side.
    ---------------

  7. #7
    Join Date
    Sep 2002
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    England
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    stop giving bad and wrong advice and you will stop getting called on it

  8. #8
    Join Date
    Feb 2007
    Posts
    212
    cool dear

  9. #9
    Join Date
    Sep 2001
    Location
    Makati, Philippines
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    Quote Originally Posted by davey23uk
    stop giving bad and wrong advice and you will stop getting called on it

    So the Mr. Perfect/Non-Rubbish Guy has really this role here.

    Scan the below docs, just to give you an idea what I meant.
    I just search this document for this purpose alone.
    --------------------------------------------------------
    DB PROPOGATE PROBLEM WITH SNAPSHOTS ORA-955
    Doc ID: Note:251410.1 Type: PROBLEM
    Last Revision Date: 04-AUG-2004 Status: PUBLISHED


    The information in this article applies to:

    affected Oracle Products:

    oracle rdbms 8.1.7 - 9.2.
    db propagate 9.2



    Symptom(s)
    ~~~~~~~~~~

    Db propagate of a schema containing materialized view logs (snapshot logs)
    will result in "ORA-00955: name is already used by an existing object"
    on a object with name RUPD$_.

    This error will always happen, if db propagate contains the objects:
    the snapshot log itself,the table the snapshot log is based on and the table
    RUPD$_.

    Cause
    ~~~~~~~

    Creating one single snaphsot log on a existing table (containing a index)
    will create three objects:
    the snapshot log: MLOG$_
    table: MLOG$_
    tbale: RUPD$_

    DB propagate suppresses the table MLOG$_ but not the
    table RUPD$_.
    The db propagte script execution will first create the snapshot log and then
    create the table RUPD$_, but the table is already -indirect- created
    by the creation of the snapshot log and so a ORA-955 will be displayed.


    Fix
    ~~~~

    Remove the table RUPD$_ from the db propagation.


    ------------------------------------------------------------
    ---------------

  10. #10
    Join Date
    Nov 2006
    Location
    Sofia
    Posts
    630
    I would not drop anything created by Oracle, if I am not advised to do so by the Oracle Support or if I am not completely sure what this object is ment for, and that Oracle could function properly without it ( to be honest I do not remember such case, when Oracle creates something useless)
    So, Jenny, it's up to you :-)

    Regards

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