Database Question Use the ERD in Figure 1 to answer the following questions. Giv

Question

Database Question

Use the ERD in Figure 1 to answer the following questions. Give the requested information or “n/a” to indicate not applicable (or none). Complete sentences are not required here.

a. List the names of any higher order (n-ary for n>2) relationships.

b. List the names of any recursive relationships.

c. List any entities that have total participation in a relationship as well as the relationship names.

d. List any weak entities and their corresponding identifying relationships.

e. List any multi-valued attributes.

f. List any derived attributes.

date-diagnosed atient ID 1cdscode Primary Patient 1 Condition Iti Secondary Top-specialist date-diagnosed fi hame active-ing freated-by Medication Doctor Prescription Figure 1 Healthcare Entity Relationship Diagram (ERD) mi interferes-with hysID field

Explanation / Answer

1. Higher Order(n-ary or n>2) relationships:

Prescription

2. Recursive relationships:

Medication

3. Entities that have total participation in a relationship and its associated relationship:

Entity: Patient

Relationship: Primary

4. Weak Entites:

N/A

5. Multi-valued Attributes:

active-ing, field

6. Derived Attributes:

N/A

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