Write SQL for a multi-step funnel: what fraction of users complete each step, in order?
Funnels seem like plain counts until you demand the steps occur in order and within a window. Tallying each step on its own overstates conversion. Here is the ordered-funnel query.
Updated Sep 2026 · Grounded in real GenAI, LLM, and AI/ML engineering interview loops and written to a senior-engineer editorial bar.
Funnels seem like plain counts until you demand the steps occur in order and within a window. Tallying each step on its own overstates conversion. Here is the ordered-funnel query.
Lead with where the obvious approach breaks, because that is the judgment they are screening for — most candidates jump straight to the happy path and lose the room.
Then walk the failure back through the pipeline in order, naming the one metric the customer's exec sponsor actually cares about before you propose the fix.
