4D LanguageCommandsSetsVersion: 20 R8 BETASetsADD TO SET ( {aTable ;} set )CLEAR SET ( set )COPY SET ( srcSet ; dstSet )CREATE EMPTY SET ( {aTable ;} set )CREATE SET ( {aTable ;} set )CREATE SET FROM ARRAY ( aTable ; recordsArray {; setName} )DIFFERENCE ( set1 ; set2 ; resultSet )INTERSECTION ( set1 ; set2 ; resultSet )Is in set ( set ) : BooleanLOAD SET ( {aTable ;} set ; document )Records in set ( set ) : IntegerREMOVE FROM SET ( {aTable ;} set )SAVE SET ( set ; document )UNION ( set1 ; set2 ; resultSet )USE SET ( set )