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Thread: Optimizer Mode

  1. #1
    Contributing Member
    Join Date
    Mar 2008
    Answers
    66

    Optimizer Mode

    How to set optimizer mode CBO?


  2. #2
    Expert Member
    Join Date
    Apr 2007
    Answers
    500

    Re: Optimizer Mode

    CBO has two available modes ALL_ROWS and FIRST_ROWS.
    alter session set optimizer_goal=all_rows
    The optimizer mode can be set at the system level/ session/SQL statement
    alter system set optimizer_mode=first_rows_10;
    alter session set optimizer_goal = all_rows;


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