Inner join employees and departments — SQL

Problem

List employee name with department name using INNER JOIN.

Hints

JOIN Departments ON DeptId = Id

Your practice code

Ready — edit the code above and click Run.

Solution

-- Sample schema
CREATE TABLE Employees (Id INT, Name TEXT, DeptId INT, Salary INT);
CREATE TABLE Departments (Id INT, Name TEXT);
INSERT INTO Employees VALUES (1,'Ali',1,90000),(2,'Sara',2,120000),(3,'Raj',1,75000);
INSERT INTO Departments VALUES (1,'Engineering'),(2,'Sales');
SELECT e.Name, d.Name AS Department
FROM Employees e
INNER JOIN Departments d ON e.DeptId = d.Id;

Try solving on your own first, then reveal the official answer.

Explanation

INNER JOIN keeps rows with matches in both tables—most common join in interviews.