Hi All , on 8.1.6 : we drop 600 views and it takes 5 ~ 10 mins usually . today, inspite of no changes being done , the same job takes about 1 hour. i don't know what makes it to prolong. How and where can i find , why it takes so long ? Expecting ur valuable inputs ... As always. Regards, Prem -- //www.freelists.org/webpage/oracle-l