code: def execute(self, conn, logical_file_name={}, transaction=False):
          
          if not conn:
  	    dbsExceptionHandler("dbsException-db-conn-failed", "Oracle/FileBuffer/DeleteFiles. Expects db connection from upper layer.")
  
          self.dbi.processData(self.sql, logical_file_name, conn, transaction, returnCursor=True)
docs: simple execute