• Using Dbms_Advisor.Tune_Mview To Optimize Materialized Views For Fast Refresh (Doc ID 249993.1)
  Due to the restrictions on fast refresh, the original materialized view can only use fast refresh after inserts since there is no count(*) in the materialized view defining statement.
  in Oracle > DB 11g with count defining dml due error fast inserts materialized ora-32314 original refresh restrictions statement view
  Note: Restrictions of fast refresh of Materialized Views after DML.

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