I'm trying to model, for the purposes of XSD schema generation, the following pseudo XSD code,complexType name="Account" ...complexType name="Ledger" sequence element name="accnt" type="Account"so that Ledger contains a whole instance/copy of Account. ER Studio works well and is suggestive on how to model Ledger having a reference to Account (or vice-versa) once PKs are defined. But that's not what I am looking for.
This is the nearest you'll get to containment in an Entity-Relationship model - an Identifying relationship
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