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InterSystems Supply Chain Orchestrator 2024.1
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Cardinality (Property Keyword)

Specifies the cardinality of this relationship property. Required for relationship properties. Not used for other properties.

Usage

To specify the cardinality of a relationship property, use the following syntax:

Relationship relname As classname [ Cardinality = cardinality; inverse = inverse ];

Where cardinality is one of the following:

  • one

  • many

  • parent

  • children

Details

This keyword specifies the cardinality of a relationship property.

The Cardinality keyword is required for relationship properties. It is ignored by non-relationship properties.

For more information on relationships, see Defining and Using Relationships

Default

There is no default. When you define a relationship, you must specify the Cardinality keyword.

Example

Relationship Entries As Sample.CalendarEntry [ Cardinality = many; inverse = Sample.Calendar ];

See Also

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