Stale Statitics
options can have the following values
gather stale | gather | gather empty | list stale | list empty | gather auto
DECLARE ObjList dbms_stats.ObjectTab; BEGIN dbms_stats.gather_database_stats(objlist=>ObjList, options=>’LIST STALE’); FOR i in ObjList.FIRST..ObjList.LAST LOOP dbms_output.put_line(ObjList(i).ownname || ‘.’ || ObjList(i).ObjName || ‘ ‘ || ObjList(i).ObjType || ‘ ‘ || ObjList(i).partname); END LOOP; END; /
Gather Histogram statistics
method_opt can have the following values
for all indexed columns size skewonly | ‘for all columns size repeat |for columns size auto
declare olist dbms_stats.objectTab; begin dbms_stats.gather_schema_stats(user,cascade=>TRUE,method_opt=> 'FOR ALL INDEXED COLUMNS',options=>'GATHER',objlist=>olist); dbms_output.put_line('Objects Analyzed: ' || olist.COUNT ); if olist.COUNT > 0 then FOR x in 1..olist.COUNT LOOP dbms_output.put_line('Object Name: ' || olist(x).objname ); END LOOP; end if; end; / declare olist dbms_stats.objectTab; begin dbms_stats.gather_schema_stats(user,cascade=>TRUE,method_opt=> 'FOR ALL INDEXED COLUMNS',options=>'GATHER AUTO',objlist=>olist); dbms_output.put_line('Objects Analyzed: ' || olist.COUNT ); if olist.COUNT > 0 then FOR x in 1..olist.COUNT LOOP dbms_output.put_line('Object Name: ' || olist(x).objname ); END LOOP; end if; end;