Table monitoring !!!
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Thread: Table monitoring !!!

  1. #1
    Join Date
    Feb 2001
    Posts
    290
    Can somebody explain me the following ---
    when we required the following
    alter table CCADMIN.USER_AUDIT monitoring ;

  2. #2
    Join Date
    May 2000
    Location
    ATLANTA, GA, USA
    Posts
    3,136
    When a table is created with "MONITORING" option, Oracle gathers the DML activities (INSERT, UPDATE, DELETE and TRUNCATE) on the table and stores it USER_TAB_MODIFICATIONS. This is helpful for automatically generating statistics on the table.

    Remember that Oracle takes hours to populate the statistics after the DML activity is performed on the base table.

  3. #3
    Join Date
    Feb 2001
    Posts
    290
    Will it affect the performance , let say if the tables are big enough and much DML activity.

    ???
    Thanks for your reply ,
    Madhu

  4. #4
    Join Date
    May 2000
    Location
    ATLANTA, GA, USA
    Posts
    3,136
    The performance is not affected in a OLTP system.

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