More question about stored procedures

Hi 
Some more questions about the stored procedures.

Sample:

DROP PROCEDURE DB2BETT001;            
CREATE PROCEDURE DB2BETT001 (         
IN @EXTOYT CHAR (32)                  
 )LANGUAGE SQL MODIFIES SQL DATA BEGIN
                                      
DELETE FROM LIBRARY01.FILE1       
WHERE  EXTOYT = @EXTOYT;              
END;  


1. We don't need the 'DROP PROCEDURE' statement for the first time we are 
compiling it, but next time we will need it. So for the first time we have to 
comment the statement and then again uncomment it. Is there any other way to do 
this so that we don't need to compile it twice?

2. We are using following command to create the proc
RUNSQLSTM SRCFILE(PROCLIB/QSQLSRC) SRCMBR(DB2BETT001) COMMIT(*NONE) 
NAMING(*SQL) DFTRDBCOL(DB2B) DYNUSRPRF(*OWNER) 

 a) If we do COMMIT (*NONE), we don't need to put 'COMMIT' statement inside the 
Procedure. Is this right?
 b) Are we using right value for the DFTRDBCOL parameter?

Thank you,
Amitava
 
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