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DBA_MVIEW_JOINS

Description of a join between two columns in the WHERE clause of a materialized view accessible to dba 

Columns
   ___________________________
 
   OWNER
      Owner of the materialized view
   MVIEW_NAME
      Name of the materialized view
   DETAILOBJ1_OWNER
      Owner of the 1st detail object
   DETAILOBJ1_RELATION
      Name of the 1st detail object
   DETAILOBJ1_COLUMN
      Name of the 1st detail object column
   OPERATOR
      Name of the join operator. Currently only = is defined
   OPERATOR_TYPE
      Indicates inner or outer join. I = inner join,L = DETAILOBJ1 tableis the left side of an outer join,R = DETAILOBJ2 table is the rightside of an outer join
   DETAILOBJ2_OWNER
      Owner of the 2nd detail object
   DETAILOBJ2_RELATION
      Name of the 2nd detail object
   DETAILOBJ2_COLUMN
      Name of the 2nd detail object column

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