DBA_RGROUP

Columns
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   REFGROUP
      Internal identifier of refresh group
   OWNER
      Owner of the refresh group
   NAME
      Name of the refresh group
   IMPLICIT_DESTROY
      Y or N,if Y then destroy the refresh group when its last item is subtracted
   PUSH_DEFERRED_RPC
      Y or N,if Y then push changes from snapshot to master before refresh
   REFRESH_AFTER_ERRORS
      If Y,proceed with refresh despite error when pushing deferred RPCs
   ROLLBACK_SEG
      Name of the rollback segment to use while refreshing
   JOB
      Identifier of job used to automatically refresh the group
   PURGE_OPTION
      The method for purging the transaction queue after each push
   PARALLELISM
      The level of parallelism for transaction propagation
   HEAP_SIZE
      The heap size used for transaction propagation

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