Example of an Entity Relationship Diagram for a Workflow Policy
The following figure displays the entity relationship diagram of four Workflow Policy components for a service request. It shows each of the components, their relations to one another, and the columns that are of interest as follows:
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    There are four components: Service Request (S_SRV_REQ) labelled primary Workflow Policy component, Account (S_PARTY), Activity (S_EVT_ACT), and Account Agreements (S_DOC_AGREE). 
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    There is a direct relationship between Service Request and Account (via CST_OU_ID, foreign key). 
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    There is a direct relationship between between Service Request and Activity (via ROW_ID, primary key). 
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        There is an indirect relationship between Service Request and Account Agreements via the Account object (via the TARGET_OU_ID of S_DOC_AGREE referencing the ROW_ID of S_PARTY) 
