controlfile_spec

controlfile_spec 
      ::= 
      ( "maxlogfiles" n ) 
      | ( "maxlogmembers" n ) 
      | ( "maxloghistory" n ) 
      | ( "maxdatafiles" n ) 
      | ( "maxinstances" n ) 
      | ( "archivelog" ) 
      | ( "noarchivelog" ) 

This rule is called by

create_controlfile