SQL exercises on hospital Database: Find the name of all those physicians who completed a medical procedure with certification after the date of expiration of their certificate, with some other information

SQL hospital Database: Exercise-34 with Solution

34. From the following table, write a SQL query to find all those physicians who completed a medical procedure with certification after the date of expiration of their certificate. Return Physician Name as “Physician”, Position as” Position”, Procedure Name as “Procedure”, Date of Procedure as “Date of Procedure”, Patient Name as “Patient”, and expiry date of certification as “Expiry Date of Certificate”.

Sample table: physician

Sample table: undergoes

Sample table: patient

Sample table: procedure

Sample table: trained_in

Sample Solution:

SELECT p.name AS "Physician",
       p.position AS "Position",
       pr.name AS "Procedure",
       u.date AS "Date of Procedure",
       pt.name AS "Patient",
       t.certificationexpires AS "Expiry Date of Certificate"
FROM physician p,
     undergoes u,
     patient pt,
     PROCEDURE pr,
               trained_in t
WHERE u.patient = pt.ssn
  AND u.procedure = pr.code
  AND u.physician = p.employeeid
  AND Pr.code = t.treatment
  AND P.employeeid = t.physician
  AND u.Date > t.certificationexpires;

Sample Output:

  Physician   |           Position           |         Procedure          |  Date of Procedure  |  Patient   | Expiry Date of Certificate
--------------+------------------------------+----------------------------+---------------------+------------+-------------------------
 Todd Quinlan | Surgical Attending Physician | Obfuscated Dermogastrotomy | 2008-05-09 00:00:00 | Dennis Doe | 2007-12-31
(1 row) 

Practice Online

E R Diagram of Hospital Database:

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