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Entity-relationship data model

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Reference no: EM132898271

Task 1 Entity-relationship data model (ERD)-Business rule, assumptions 

You are required to develop an ER model to represent the information requirements of company you are working for.

The diagram of your ER model must:

  • show all necessary entities, attributes and relationships
  • show unique identifiers
  • show maximum and minimum cardinalities

You also need to write business rules and assumptions.

Task 2: Create the Data Dictionary base on your ERD diagram.

Reference no: EM132898271

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