Code RoomSigned up, viewed, purchased
HardPrep Room Coding #5078

Signed up, viewed, purchased

SQLAlgorithms & data structuresSenior~14 min

Return one row with the funnel counts: `signed_up`, `viewed` and `purchased`, each counting DISTINCT users who did that thing at least once.

What a strong answer looks like

Say what the query is meant to return before you write it, and name the shape of the answer: how many rows, grouped by what. Then watch the NULLs and the duplicates, because that is where most of these are lost.

Run onlyA query runs as one statement, so there is nothing to step through. Run it and read the rows.

0:00 of about 14 min

Expected

signed_upviewedpurchased
542

Your result

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