﻿ SQL SUBQUERIES: Find all employees whose department is located in London - w3resource

# SQL Subquery Exercises: Display the first and last name, salary and department ID for those employees whose department is located in the city London

## SQL SUBQUERY: Exercise-46 with Solution

From the following tables, write a SQL query to find all employees whose department is located in London. Return first name, last name, salary, and department ID.

Sample table: employees

Sample table: departments

Sample table: locations

Sample Solution:

``````SELECT first_name, last_name, salary, department_id
FROM employees
WHERE department_id IN
(SELECT department_id
FROM departments
WHERE location_id =
(SELECT location_id
FROM locations
WHERE city = 'London'));
``````

Sample Output:

```first_name	last_name	salary	department_id
Susan		Mavris		6500.00	40
```

Pictorial Presentation:

## Query Visualization:

Duration:

Rows:

Cost:

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## SQL: Tips of the Day

"where 1=1" statement?

It's usually when folks build up SQL statements.

When you add and value = "Toyota" you don't have to worry about whether there is a condition before or just WHERE.

Ref: https://bit.ly/3cayyhJ