Doctor(SSN, FirstName, LastName, Specialty, Years0fExperience, PhoneNum) Patient(SSN, FirstName, LastName, Address, DOB, PrimaryDoctor SSN) Medicine(TradeName, UnitPrice, GenericFlag) Prescription(Id, Date, Doctor SSN, Patient_SSN) Prescription Medicine(Prescription Id, TradeName, NumofUnits)

Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
icon
Related questions
Question
Doctor (SSN, FirstName, LastName, Specialty, Years0fExperience, PhoneNum)
Patient(SSN, FirstName, LastName, Address, DOB, PrimaryDoctor_SSN)
Medicine(TradeName, UnitPrice, GenericFlag)
Prescription(Id, Date, Doctor_SSN, Patient_SSN)
Prescription Medicine(Prescription Id, TradeName, NumofUnits)
a. Write a relational algebra expression to list patient's first name, patient's last name,
and primary doctor's first name of all patients.
b. Write a relational algebra expression to list all the prescriptions given by each doctor.
Select TradeName, doctor's first name.
c. Write a relational algebra expression to list the first and last name of patients who
have no prescriptions written by doctors other than their primary doctors.
d. Write SQL statement to retrieve the number of patients that each doctor has written
prescriptions for. You must displav the doctor's first name along with the number of
prescriptions he/she wrote.
e. Write the DDL (SQL) statement to create Prescription_Medicine table. Include all the
constraints. Assume the data type for each attribute.
Transcribed Image Text:Doctor (SSN, FirstName, LastName, Specialty, Years0fExperience, PhoneNum) Patient(SSN, FirstName, LastName, Address, DOB, PrimaryDoctor_SSN) Medicine(TradeName, UnitPrice, GenericFlag) Prescription(Id, Date, Doctor_SSN, Patient_SSN) Prescription Medicine(Prescription Id, TradeName, NumofUnits) a. Write a relational algebra expression to list patient's first name, patient's last name, and primary doctor's first name of all patients. b. Write a relational algebra expression to list all the prescriptions given by each doctor. Select TradeName, doctor's first name. c. Write a relational algebra expression to list the first and last name of patients who have no prescriptions written by doctors other than their primary doctors. d. Write SQL statement to retrieve the number of patients that each doctor has written prescriptions for. You must displav the doctor's first name along with the number of prescriptions he/she wrote. e. Write the DDL (SQL) statement to create Prescription_Medicine table. Include all the constraints. Assume the data type for each attribute.
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 2 steps with 1 images

Blurred answer
Recommended textbooks for you
Computer Networking: A Top-Down Approach (7th Edi…
Computer Networking: A Top-Down Approach (7th Edi…
Computer Engineering
ISBN:
9780133594140
Author:
James Kurose, Keith Ross
Publisher:
PEARSON
Computer Organization and Design MIPS Edition, Fi…
Computer Organization and Design MIPS Edition, Fi…
Computer Engineering
ISBN:
9780124077263
Author:
David A. Patterson, John L. Hennessy
Publisher:
Elsevier Science
Network+ Guide to Networks (MindTap Course List)
Network+ Guide to Networks (MindTap Course List)
Computer Engineering
ISBN:
9781337569330
Author:
Jill West, Tamara Dean, Jean Andrews
Publisher:
Cengage Learning
Concepts of Database Management
Concepts of Database Management
Computer Engineering
ISBN:
9781337093422
Author:
Joy L. Starks, Philip J. Pratt, Mary Z. Last
Publisher:
Cengage Learning
Prelude to Programming
Prelude to Programming
Computer Engineering
ISBN:
9780133750423
Author:
VENIT, Stewart
Publisher:
Pearson Education
Sc Business Data Communications and Networking, T…
Sc Business Data Communications and Networking, T…
Computer Engineering
ISBN:
9781119368830
Author:
FITZGERALD
Publisher:
WILEY