SAP Knowledge Base Article - Preview

3094291 - Arc in Data Modelling

Symptom

Help on modelling  "Arc" in PowerDesigner. 

Arc does not have any properties.
How to Implement an exclusive arc where an Entity (table) is created with two or more parents (foreign keys) where one and only one of them can be non-null.
How implement this requirement in conceptual and logical data model?


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Environment

Product version: SAP  PowerDesigner to 16.7.

Product

SAP PowerDesigner 16.6 ; SAP PowerDesigner 16.7

Keywords

 825470 , CR  825470 , CR 825470 , ARC, "Data Modelling" , KBA , BC-SYB-PD , PowerDesigner , Product Enhancement

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