SQL exercises on hospital Database: Find the names of all patients who had at least two appointment where the nurse who prepped the appointment was a registered nurse and the physician who has carried out primary care
SQL hospital Database: Exercise-38 with Solution
38. From the following table, write a SQL query to find those patients who had at least two appointments where the nurse who prepped the appointment was a registered nurse and the physician who has carried out primary care. Return Patient name as “Patient”, Physician name as “Primary Physician”, and Nurse Name as “Nurse”.
Sample table: appointment
Sample table: patient
Sample table: nurse
Sample table: physician
Sample Solution:
SELECT pt.name AS "Patient",
p.name AS "Primary Physician",
n.name AS "Nurse"
FROM appointment a
JOIN patient pt ON a.patient=pt.ssn
JOIN nurse n ON a.prepnurse=n.employeeid
JOIN physician p ON pt.pcp=p.employeeid
WHERE a.patient IN
(SELECT patient
FROM appointment a
GROUP BY a.patient
HAVING count(*)>=2)
AND n.registered='true'
ORDER BY pt.name;
Sample Output:
Patient | Primary Physician | Nurse ---------------+-------------------+----------------- Dennis Doe | Christopher Turk | Laverne Roberts Grace Ritchie | Elliot Reid | Carla Espinosa Grace Ritchie | Elliot Reid | Carla Espinosa John Smith | John Dorian | Carla Espinosa John Smith | John Dorian | Laverne Roberts (5 rows)
Practice Online
E R Diagram of Hospital Database:
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Previous: From the following table, write a SQL query to find those patients who have been undergone a procedure costing more than $5,000 and the name of that physician who has carried out primary care. Return name of the patient as “Patient”, name of the physician as “Primary Physician”, and cost for the procedure as “Procedure Cost”.
Next: From the following table, write a SQL query to find those patients whose primary care a physician who is not the head of any department takes. Return Patient name as “Patient”, Physician Name as “Primary care Physician”.
What is the difficulty level of this exercise?
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SQL: Tips of the Day
SQL Server SELECT into existing table.
INSERT INTO dbo.TABLETWO SELECT col1, col2 FROM dbo.TABLEONE WHERE col3 LIKE @search_key
This assumes there's only two columns in dbo.TABLETWO - you need to specify the columns otherwise:
INSERT INTO dbo.TABLETWO (col1, col2) SELECT col1, col2 FROM dbo.TABLEONE WHERE col3 LIKE @search_key
Database: SQL Server
Ref: https://bit.ly/3y6tpA3
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