Friday, June 19, 2009

Sequential Scans (David)

DATABASE sysmaster;
SELECT
stn.dbsname[1,15],
stn.tabname[1,18],
sti.ti_nptotal *
(
select pagesize
from sysdbspaces
where name = dbinfo('dbspace', sti.ti_partnum)
)/1024/1024 mb_total,
sti.ti_nrows,
spp.seqscans
FROM systabnames stn, systabinfo sti, sysptprof spp
WHERE stn.partnum = sti.ti_partnum
AND stn.partnum = spp.partnum
AND spp.seqscans > 0
ORDER BY mb_total DESC, spp.seqscans DESC;

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