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SQL exercises

SQL JOINS on HR Database: Display the name of the country, city, and the departments which are running there

SQL JOINS on HR Database: Exercise-17 with Solution

17. Write a query in SQL to display the name of the country, city, and the departments which are running there.

Sample table: countries


Sample table: locations


Sample table: departments


Sample Solution:

SELECT country_name,city, department_name 
	FROM countries 
		JOIN locations USING (country_id) 
			JOIN departments USING (location_id);

Sample Output:

country_name			city		department_name
Canada				Toronto		Marketing
Germany				Munich		Public Relations
United Kingdom			London		Human Resources
United States of America	Seattle		Payroll
United States of America	Seattle		Recruiting
United States of America	Seattle		Retail Sales
United States of America	Seattle		Government Sales
United States of America	Seattle		IT Helpdesk
United States of America	Seattle		NOC
United States of America	Seattle		IT Support
United States of America	Seattle		Operations
United States of America	Seattle		Contracting
United States of America	Seattle		Construction
United States of America	Seattle		Manufacturing
United States of America	Seattle		Benefits
United States of America	Seattle		Shareholder Services
United States of America	Seattle		Control And Credit
United States of America	Seattle		Corporate Tax
United States of America	Seattle		Treasury
United States of America	Seattle		Accounting
United States of America	Seattle		Finance
United States of America	Seattle		Executive
United States of America	Southlake	IT
United States of America	South San Francisco Shipping
United States of America	Seattle		Purchasing
United States of America	Seattle		Administration

Practice Online


HR database model

Query Visualization:

Duration:

Query visualization of Display the name of the country, city, and the departments which are running there - Duration

Rows:

Query visualization of Display the name of the country, city, and the departments which are running there - Rows

Cost:

Query visualization of Display the name of the country, city, and the departments which are running there - Cost

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Previous: Write a query in SQL to display the full name (first and last name ) of employee, and job title of those employees who is working in the department which ID is 80.
Next: Write a query in SQL to display department name and the full name (first and last name) of the manager.

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