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group_usage

EXPRESS specification:

ENTITY group_usage
SUBTYPE OF ( group_relationship);
UNIQUE
URG5  :  name, relating_group, related_group;
WHERE
WRG6  :  acyclic_group_relationship(SELF, [SELF\group_relationship.related_group], 'STRUCTURAL_FRAME_SCHEMA.GROUP_RELATIONSHIP.RELATED_GROUP');
END_ENTITY;

References (1):

Name Type Referred through Express-G
group_relationship Entity
Subtype
No Diagram

Inheritance graph

ENTITY group_usage;
ENTITY group_relationship;
name  :  label;
description  :  OPTIONAL text;
relating_group  :  group;
related_group  :  group;
ENTITY group_usage;
END_ENTITY;