Тормоза с отчетами : Oracle

SELECT EVENT,
       AVERAGE_WAIT
FROM   V$SYSTEM_EVENT
WHERE  EVENT LIKE 'db file s%'

Operation	Object Name	Rows	Bytes	Cost	Object Node	In/Out	PStart	PStop

SELECT STATEMENT Optimizer Mode=CHOOSE		1  	 	17605  	 	      	             	 
  SORT AGGREGATE		1  	22  	 	 	      	             	 
    VIEW		257 K	5 M	17605  	 	      	             	 
      UNION-ALL		  	 	 	 	      	             	 
        TABLE ACCESS BY INDEX ROWID	SUPERMAG.FFMAPREP	257 K	2 M	17604  	 	      	             	 
          INDEX RANGE SCAN	SUPERMAG.FFMAPREP_SALEDATE	257 K	 	687  	 	      	             	 
        TABLE ACCESS BY INDEX ROWID	SUPERMAG.FFMAPREP_	1  	22  	1  	 	      	             	 
          INDEX RANGE SCAN	SUPERMAG.FFMAPREP_SALEDATE_	1