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SQL exercises on hospital Database: Find the name of patients and their physicians who does not require any assistance of a nurse

SQL hospital Database: Exercise-18 with Solution

18. Write a query in SQL to find the name of patients and their physicians who does not require any assistance of a nurse.

Sample table: patient


Sample table: appointment


Sample table: physician


Sample Solution:

SELECT t.name AS "Name of the patient",
       p.name AS "Name of the physician",
       a.examinationroom AS "Room No."
FROM patient t
JOIN appointment a ON a.patient=t.ssn
JOIN physician p ON a.physician=p.employeeid
WHERE a.prepnurse IS NULL;

Sample Output:

 Name of the patient | Name of the physician | Room No.
---------------------+-----------------------+----------
 John Smith          | Christopher Turk      | C
 Dennis Doe          | Percival Cox          | C
(2 rows)

Practice Online


E R Diagram of Hospital Database:

E R Diagram: SQL Hospital Database.

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