SQL Exercise: Find the nurse who are the head of their department

SQL hospital Database: Exercise-2 with Solution

2. From the following table, write a SQL query to identify the nurses in charge of each department. Return nursename as “name”, Position as “Position”.

Sample table: nurse

Sample Solution:

-- Selecting the 'name' and 'POSITION' columns from the 'nurse' table, renaming them as "Name" and "Position" respectively, 
-- where the value in the 'POSITION' column is 'Head Nurse'
SELECT name AS "Name",
       POSITION AS "Position"
FROM nurse
WHERE POSITION='Head Nurse';

Sample Output:

      Name      |  Position
----------------+------------
 Carla Espinosa | Head Nurse
(1 row)

Explanation:

The said query in SQL that returns a list of names and their respective positions who are working as "Head Nurse" in the "nurse" table. The "AS" keyword is used to alias the column names to "Name" and "Position".

Pictorial presentation:

Practice Online

E R Diagram of Hospital Database:

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