Draw one erd that includes all of the relationships

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Reference no: EM133424233

Question: Draw an ERD for an eyeglass store database with the following information:
a. Customers have prescriptions from eye doctors.
b. Customers buy frames that come from manufacturers
c. Customers are helped by a staff member

The Entity Relationship Diagram (ERD) posted for this discussion is NOT to be submitted as an attachment that everyone would have to open to read. The ERD is to be copied and pasted. The ERD is not to be hand drawn. The ERD should be drawn using software.

draw one ERD that includes all of the above relationships. Do NOT show the attributes for each entity. Make sure that your relationships shows the cardinality for both directions (active and passive). Use Crows Foot Notation. Name the relationships. There should be a minimum and maximum cardinality for each direction of each relationship.

Reference no: EM133424233

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