Which one is good in terms of performance

Hi,

1)
exec dbms_stats.gather_schema_stats(ownname =>'''||username|| ''',degree=>4,cascade =>TRUE,options=>''GATHER STALE''); 2)DBMS_UTILITY.ANALYZE_SCHEMA('USERNAME','COMPUTE'); 3)ANALYZE TABLE <TABLENAME> COMPUTE STATTISTICS FOR ALL INDEXES COLUMNS; Please suggest which is best in case of cost based optimizer in Oracle9i. thanks

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