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

# 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
``` employeeid |      name       |  position  | registered |    ssn
------------+-----------------+------------+------------+-----------
101 | Carla Espinosa  | Head Nurse | t          | 111111110
102 | Laverne Roberts | Nurse      | t          | 222222220
103 | Paul Flowers    | Nurse      | f          | 333333330
```

Sample Solution:

``````SELECT name AS "Name",
POSITION AS "Position"
FROM nurse
``````

Sample Output:

```      Name      |  Position
----------------+------------
(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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Previous SQL Exercise: List the nurses who are yet to be registered.
Next SQL Exercise: Physicians who is the head of each department.

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