Tuesday, January 20, 2009

Sequential Scans by database/table

select dbsname, tabname, sum(seqscans) tot_scans

from sysptprof

where seqscans > 0 
and dbsname not like "sys%"
group by 1,2
order by 3 desc

The output is as follows:


dbsname tabname tot_scans

airgen_10_0 systemrelease 2352
airgen_10_5_old systemrelease 1596
airgen_10_5 systemrelease 1596
airgen_10_0 fanout_comp 1587
airgen_10_5_old sysusers 1248
airgen_10_0 sysusers 1241
airgen_10_5 sysusers 1231
airgen_10_0 join_map 1036
airgen_10_0 fanout_param 958
airgen_10_0 func_call 770
airgen_10_5 nenmoclassmap 586
airgen_10_5_old nenmoclassmap 586

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