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How do recursive CTEs work?

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01

Understand the problem

Explain recursive CTEs.

recursive-cte
02

Attempt it yourself

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03

Study the solution

A recursive CTE has an anchor query unioned with a recursive query that references the CTE, iterating until no new rows are produced. It traverses hierarchies and graphs — org charts, category trees, or computing a path/sequence.

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04

Run the code

SQLRecursive CTE Playground
05

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