Interview Prep
Real questions from analyst interviews, with short answers you can say out loud.
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3 customers, LEFT JOIN gave 4 rows. Why?
INNER vs LEFT, the WHERE trap, and counting zero orders. The JOIN question interviewers love.
SQLFree PDF →Interview Prep12 tasks they give you in the Excel test round
Cleaning, lookups, totals, ranking. Try each one before you look at my formula.
Excel · 2 PDFsFree PDF →Interview Prep30 Power BI interview questions, 1-line answers
If you can answer these without notes, you're ready for the technical round.
Power BIFree PDF →Interview Prep12 Python programs they love to ask
Plain Python first, then pandas. Type each one yourself before the interview.
PythonFree PDF →