Final answer:
2-a) PATIENT entity with attributes
Attributes:
- SSN (type: string)
- Name (type: string)
- Address (type: string)
- Age (type: integer)
2-b) DOCTOR entity with attributes
Attributes:
- SSN (type: string)
- Name (type: string)
- Specialty (type: string)
- Years of Experience (type: integer)
2-c) PHARMACY entity with attributes
Attributes:
- Name (type: string)
- Address (type: string)
- Phone Number (type: string)
2-d) DRUG entity with attributes
Attributes:
- Trade Name (type: string)
- Formula (type: string)
2-e) PHARM_COMPANY entity with attributes
Attributes:
- Name (type: string)
- Phone Number (type: string)
Step-by-step explanation:
The PATIENT entity includes attributes such as SSN, name, address, and age. The DOCTOR entity includes attributes such as SSN, name, specialty, and years of experience. The PHARMACY entity includes attributes such as name, address, and phone number. The DRUG entity includes attributes such as trade name and formula. The PHARM_COMPANY entity includes attributes such as name and phone number.