Oracle no longer recommends using ANALYZE except to validate structure of the table and its indexes. Use of DBMS_STATS is now recommended to gather stats for the cost based optimizer. You may find the following script helpful in performing both of these tasks at once, scheduled on a routine basis.

http://www.dotcomsolutionsinc.net/pr...ol901_56_.html

David Simpson
http://www.dotcomsolutionsinc.net