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Data Modeling Made Simple with ER/Studio Data Architect by Steve Hoberman

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Create three more submodels for our publisher design: Offerings, Conferences, and Seminars. The Offering submodel will contain everything in our model and the Conferences and Seminars submodels will contain subsets, as shown in Table 5.1.

Table 5.1 Assignment of Entities to Submodels

Assign to this submodel…

These entities

Offerings

Offering

Title

Electronic Title

Print Title

Category

Conference

Seminar

Speaker

Conferences

Conference

Speaker

Seminars

Seminar

Speaker

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