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Example 6: Dyadic OPERATOR on Relvar

Posted: Sat Jul 27, 2013 9:08 pm
by Chris Walton
Dyadic OPERATOR on Relvar

Code: Select all

OPERATOR equals ( P TUPLE { name data_type } , Q TUPLE { name data_type} ) RETURNS boolean ;
  if P = Q then return true;
  else return false; 
  end if ;
END OPERATOR ;