4D v17.4

CREATE EMPTY SET

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4D Language Reference
- Sets
- - Sets
  - ADD TO SET
  - CLEAR SET
  - COPY SET
  - CREATE EMPTY SET
  - CREATE SET
  - CREATE SET FROM ARRAY
  - DIFFERENCE
  - INTERSECTION
  - Is in set
  - LOAD SET
  - Records in set
  - REMOVE FROM SET
  - SAVE SET
  - UNION
  - USE SET

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4D v17.4

4D Language Reference

Sets

CREATE EMPTY SET


CREATE EMPTY SET ( {aTable ;} set )

Parameter	Type	Description
aTable	Table	Table for which to create an empty set, or Default table, if omitted
set	String	Name of the new empty set

Description

CREATE EMPTY SET creates a new empty set, set, for aTable. You can add records to this set with the ADD TO SET command. If a set with the same name already exists, the existing set is cleared by the new set.

Note: You do not need to use CREATE EMPTY SET before using CREATE SET.