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Diving Into the Shared Pool - An In Depth Look at Tuning the Shared Pool (Part 1)

Oracle Tips by Mike Ault

Monitoring and Tuning the Shared Pool


Date: 11/18/98                                                                                               Page:   1     

Time: 04:19 PM                                    Users SQL Area Memory Use                                  SYSTEM        

                                                        ORTEST1 database                                                           


                                                                                                      Shared Persistent   

User           Text                                                         Executions  Loads Used By  Bytes      Bytes   

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

GRAPHICS_Remote DBA    BEGIN dbms_lob.read (:1, :2, :3, :4); END;                         2121      1      0  10251        488   

                alter session set nls_language= 'AMERICAN' nls_territory=             7      1      0   3975        408   

                'AMERICA' nls_currency= '$' nls_iso_currency= 'AMERICA'                                                            

                nls_numeric_characters= '.,' nls_calENDar= 'GREGORIAN'                                                             

                nls_date_format= 'DD-MON-YY' nls_date_language= 'AMERICAN'                                                         

                nls_sort= 'BINARY'                                                                                                 

                BEGIN :1 := dbms_lob.getLength (:2); END;                             6      1      0   9290        448   

                SELECT TO_CHAR(image_seq.nextval) FROM dual                           6      1      0   6532        484   

                SELECT graphic_blob FROM internal_graphics WHERE                      2      1      0   5863        468   


                SELECT RPAD(TO_CHAR(graphic_id),5)||':                                1      1      0   7101        472   

                '||RPAD(graphic_desc,30)||' : '||RPAD(graphic_type,10) FROM                                                        

                internal_graphics ORDER BY graphic_id                                                                              

                SELECT graphic_blob FROM internal_graphics WHERE                      1      1      0   6099        468   


                SELECT graphic_blob FROM internal_graphics WHERE                      1      1      0   6079        468   


                SELECT graphic_blob FROM internal_graphics WHERE                      1      1      0   6074        468   


                SELECT graphic_blob FROM internal_graphics WHERE                      1      1      0   5962        468   


***************                                                                                        ------ ---------   

sum                                                                                                     67226      4640   

Figure 8: Report Output Example For a Users SQL Area


For more information on this topic, I recommend Don Burleson's latest book "Oracle Tuning: The Definitive Reference". 

You can buy it direct from the publisher for 50%-off and get instant access to the code depot of Oracle tuning scripts:


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