The following will give you all the indexes that belongs to a constraint

 select distinct t.owner as table_owner, i.table_name, o.owner as index_owner, 
o.object_name as index_name,s.name as constraint_name,c.constraint_type  from 
sys.cdef$ cd,dba_objects o,sys.con$ s,dba_constraints c,dba_indexes i,  dba_tables t 
Where t.Table_Name = i.Table_Name and i.owner=o.owner  and i.index_name=o.object_name 
and c.constraint_name=s.name  and cd.Enabled = o.object_id and cd.con# = s.con#  and 
o.owner not in ('SYS','SYSTEM') 


do a minus will get what you want.


-----Original Message-----
Sent: Friday, November 22, 2002 1:40 PM
To: Multiple recipients of list ORACLE-L


I am trying to find out what indexes are in the database only for performance
reasons and do not enforce a constraint.  What would be the query to do that?
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