Real interview territory, not generic definitions. The AI draws on these areas and pushes into the sub-topics where you are weakest.
These are the kinds of scenario-based questions Joshua asks. In a live session they adapt to your answers and your target role.
Write the logic to find the second-highest salary per department using SQL.
Explain a window function and a problem it solves that a GROUP BY cannot.
Daily active users dropped 15% overnight. How do you investigate?
How do you decide whether a metric change is real or just noise?
Walk me through designing a dashboard for a sales leader. What goes on it and why?
Yes. Data analyst is one of the most fresher-friendly tracks. Start at an entry level and the AI eases you in before the harder SQL and case questions.
Yes. SQL is the core, including joins, window functions and aggregations, alongside Excel, visualization and business cases.
Yes. Expect metric-investigation and product-sense cases (funnels, cohorts, A/B tests), not just technical SQL.
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