SQL Interview Question | 03 |
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Script:
CREATE TABLE Employee (
id INT PRIMARY KEY,
name VARCHAR(50),
department VARCHAR(50),
managerId INT
);
INSERT INTO Employee (id, name, department, managerId) VALUES
(1, 'John', 'HR', NULL),
(2, 'Bob', 'HR', 1),
(3, 'Olivia', 'HR', 1),
(4, 'Emma', 'Finance', NULL),
(5, 'Sophia', 'HR', 1),
(6, 'Mason', 'Finance', 4),
(7, 'Ethan', 'HR', 1),
(8, 'Ava', 'HR', 1),
(9, 'Lucas', 'HR', 1),
(10, 'Isabella', 'Finance', 4),
(11, 'Harper', 'Finance', 4),
(12, 'Hemla', 'HR', 3),
(13, 'Aisha', 'HR', 2),
(14, 'Himani', 'HR', 2),
(15, 'Lily', 'HR', 2);
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