What is the result of this query? > select count(*) > from > objects where type = 'live' I.e., how many rows have type = 'live'? --Terry > LBLKS: 66653 > BlVL: 3 > CF: 679426 > NROWS: 829734 > AVG_DATA_BLK/KEY: 2 > > Coalescing the index got the lblks to 11k and the desired plan > however, the performance is still under water. 10046 trace on the sql > is > > select count(*) > from > objects where type = 'live' > > > call count cpu elapsed disk query current rows > ------- ------ -------- ---------- ---------- ---------- ---------- ---- ------ > Parse 1 0.01 0.00 0 0 0 0 > Execute 1 0.00 0.00 0 0 0 0 > Fetch 2 10.39 31.07 65484 69693 0 1 > ------- ------ -------- ---------- ---------- ---------- ---------- ---- ------ > total 4 10.40 31.08 65484 69693 0 1 > > Misses in library cache during parse: 1 > Optimizer goal: CHOOSE > Parsing user id: 5 > > Rows Row Source Operation > ------- --------------------------------------------------- > 1 SORT AGGREGATE > 832154 INDEX FAST FULL SCAN IX_TYPE_LASTMODIFIED (object id 25015) > > > Elapsed times include waiting on following events: > Event waited on Times Max. Wait Total Waited > ---------------------------------------- Waited ---------- ------------ > SQL*Net message to client 2 0.00 0.00 > db file sequential read 536 0.00 0.23 > db file scattered read 5518 0.09 25.62 > SQL*Net message from client 2 22.65 22.65 > -- //www.freelists.org/webpage/oracle-l