Try it Yourself: SQL Comments – Hyring Learn

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SQL Comments

Language: SQL

-- Select every employee in the sales department
SELECT first_name, last_name
FROM employees
WHERE department = 'Sales';

SELECT * FROM employees;  -- this returns all columns and rows

-- Select every employee in the sales department
SELECT first_name, last_name
FROM employees
WHERE department = 'Sales';

SELECT * FROM employees;  -- this returns all columns and rows

Output

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