Hi guys. Could you explain me what I have to understand from the next output from tkprof? call count cpu elapsed disk query current rows ------- ------ -------- ---------- ---------- ---------- ---------- ---------- Parse 1 100.00 103.27 0 39 0 0 Execute 1 0.00 0.55 0 0 0 0 Fetch 10004331900.00 4251540.71 26967 56461 1 1000 ------- ------ -------- ---------- ---------- ---------- ---------- ---------- total 10024332000.00 4251644.53 26967 56500 1 1000 The task runs in 8 minutes. in trace I found above result . Any clues? Regards, Dan.