Basic CTE

How can we create a temporary named result before querying it?

Advanced⏱ 3 Minutes⭐ 1140 XP

🤔 THE QUESTION

How can we create a temporary named result before querying it?

💡 WHAT IS IT?

The WITH clause defines a Common Table Expression (CTE) that acts as a temporary named query block.

🎯 WHAT IS IT USED FOR?

Breaking complex transformations into readable modular steps, clean ELT code structuring.

💻 EXAMPLE

WITH active_employees AS (
    SELECT *
    FROM employees
    WHERE status = 'Active'
)
SELECT *
FROM active_employees;

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