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detailed erd the erd must be done using an approved design software e g mysql workbench 1

SECTION 7: DETAILED ERD (1.75 points)

  • Starts on a new page.
  • The ERD must be done using an approved design software (e.g. MySQL Workbench)
  • You must include a picture (or more) of the design in the document. Be sure it is big enough so all text is clearly readable.
  • Attach also the source file for your design.

Please be sure your diagram includes:

  • ENTITIES (0.75 points)
    • Entity name (follow conventions, relevant) 0.25 points
    • Attributes 0.25 points
    • Constraints (PK, UQ, NN) 0.25 points
  • RELATIONSHIPS (1 point)
    • Relationship names (0.2 points)
    • Relationship types (0.2 points)
    • Relationship strength (0.2 points)
    • Relationship participation for each entity (0.2 points)
    • FK in the child entity (0.2 points)

SECTION 8: SAMPLE 3 ENTITIES EXPLANATIONS (0.75 points)

  • Starts on a new page.
  • Pick 3 complex entities that are directly connected by relationships.
  • For each entity answer the following in different sub-section (8.1, 8.2 and 8.3) (0.25 points each)
    • the name of the entity – why you choose that name
    • the requirements that are related to that entity
    • the PK of the entity, what type is composite or simple and why, and why you choose it (why is good)
    • for each attribute:
      • The name of the attribute (why you choose it)
      • Simple or composite attribute (why it is)
      • Single value or multi value attribute (why it is)
      • Required or optional and why
      • Unique or not unique and why

SECTION 9: SAMPLE 3 RELATIONSHIPS EXPLANATIONS (0.75 points)

  • Starts on a new page.
  • Pick 3 relationships, related to the presented entities.
  • For each relationship answer the following in different sub-section (9.1, 9.2 and 9.3) (0.25 points each)
    • Relationship names and inverse names
    • All requirements related to that relationship
    • Relationship types and why you selected that type
    • Relationship strength and why you selected that strength
    • Relationship participation for each entity and why you selected that participation
    • FK in the child entity, explain what it references

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