RE: dba_extents view in Oracle 10.2.0.2

I've had similar problems in 10.2.0.2 recently with a known bug (Metalink notes 5103126, 4618615 & 5130698) causing slowness with the following recursive query:

select c.name, u.name from con$ c, cdef$ cd, user$ u where c.con# = cd.con# and cd.enabled = :v1 and c.owner# = u.user#

• which is executed everytime you (or your app) tries to insert a duplicate into a unique constraint and triggers ORA-00001. This can be a big problem if you have an app that tries to do this regularly. Anyway, the workaround was to delete stats on cdef$, user$ and con$ and lock them. So far, this has cleared up the problem with no known side effects.

Regards,
Brandon

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