Is there a way to PL/SQL to force Oracle to re-evaluate the implementation plan

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  Hello Terri Haineman,

  Thank you for visiting the Microsoft answers community.

  The question you've posted in Office-related and would be better suited to the office community. Please visit the link below to find a community that will provide the best support.
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  DBMS_LOB.FREETEMPORARY(sql_txt);
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  Why they may not have the same thing?

  For example, if they use links AND literals.

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  set serveroutput on
  declare
  l_sig NUMBER;
  begin
  l_sig := dbms_sqltune.sqltext_to_signature('select * from t1 where col1 = 1',TRUE);
  dbms_output.put_line(l_sig);
  end;
  /
  anonymous block completed
  109606082837927916
  
  declare
  l_sig NUMBER;
  begin
  l_sig := dbms_sqltune.sqltext_to_signature('select * from t1 where col1 = 2',TRUE);
  dbms_output.put_line(l_sig);
  end;
  /
  anonymous block completed
  109606082837927916
  

  But if you use bind AND literals:

  declare
  l_sig NUMBER;
  begin
  l_sig := dbms_sqltune.sqltext_to_signature('select * from t1 where col1 = 1 and col2 = :1',TRUE);
  dbms_output.put_line(l_sig);
  end;
  /
  anonymous block completed
  16455499341945681140
  
  declare
  l_sig NUMBER;
  begin
  l_sig := dbms_sqltune.sqltext_to_signature('select * from t1 where col1 = 2 and col2 = :1',TRUE);
  dbms_output.put_line(l_sig);
  end;
  /
  anonymous block completed
  13278767079226598822
  

  Unfortunately...

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  Thank you!

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