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Design a conversational analytics agent that answers business questions over a data warehouse in natural language.

'What was revenue by region last quarter?' sounds like text-to-SQL, but production analytics agents fail on ambiguity, wrong joins, and confidently wrong numbers. Here is the architecture that makes the answers trustworthy.

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

'What was revenue by region last quarter?' sounds like text-to-SQL, but production analytics agents fail on ambiguity, wrong joins, and confidently wrong numbers. Here is the architecture that makes the answers trustworthy.

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Applied AI Engineering·The interviewPremium14mDriving the design conversationA design round is a conversation you are expected to lead, not a question you answer. This lesson is the shape that works, the four moments that decide the outcome, and the two classic ways strong candidates lose one.Applied AI Engineering·The interviewPremium12mTurning this course into a study planA concrete four-week plan mapping the seven modules onto the question bank, plus what to do differently if your interview is next week rather than next month.
UP NEXT ON YOUR JOURNEY
Next in this trackDesign a cost-control and quota system for an internal LLM platform serving many teams.Next in this trackDesign a system that monitors the quality of millions of AI support conversations and flags the bad ones.Next in this trackHow do CAP and consistency tradeoffs apply to an ML feature store and online serving?
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