SQL exercises

SQL exercises on hospital Database: Find the name of the physicians who are the head of each department

SQL hospital Database: Exercise-3 with Solution

3. Write a query in SQL to obtain the name of the physicians who are the head of the department.

Sample table: physician

Sample table: department

Sample Solution:

SELECT d.name AS "Department",
       p.name AS "Physician"
FROM department d,
     physician p
WHERE d.head=p.employeeid;

Sample Output:

    Department    |  Physician
 General Medicine | Percival Cox
 Surgery          | John Wen
 Psychiatry       | Molly Clock
(3 rows)

Practice Online

E R Diagram of Hospital Database:

E R Diagram: SQL Hospital Database.

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