easySnowflake

Write SQL for click-through rate by ad in October, then monthly average star ratings per Marketplace product.

The two reported Snowflake SQL-screen warmups. Both look trivial; both have a silent-failure trap, integer division and divide-by-zero in one, the EXTRACT(MONTH) year-collision in the other.

Updated Aug 2026 · Grounded in real Forward Deployed Engineer interview loops and written to a senior-engineer editorial bar.

The two reported Snowflake SQL-screen warmups. Both look trivial; both have a silent-failure trap, integer division and divide-by-zero in one, the EXTRACT(MONTH) year-collision in the other.

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