Question

- Create an ERD from statements: You are asked to assist the mayor’s office of NYC to design a DBMS for recording the testing result of COVID-19. You must use UML notation for the ERD.

- A patient may have one or more tests; One test must belong to one and only one patient.

<Insert the ERD here>

- A test must be conducted by one nurse; one nurse may conduct one or more tests.

<Insert the ERD here>

- A patient must have one or more emergency contact; each emergency contact must belong to one patient.

<Insert the ERD here>

- A nurse must have one and only one supervisor; one supervisor may supervise one or more nurses.

<Insert the ERD here>

- Combine above your result for a complete ERD.

<Insert the ERD here>

Answer #1

**PARTIAL ER
DIAGRAMS:**

**COMPLETE ER
DIAGRAM:**

**NOTE: If you
get any help from this article please UPVOTE and if you have any
query please let me know in comments**

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