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Roadmaps, cheat sheets and real interview questions for SQL, Excel, Power BI and Python. Built for freshers from every city, not just the big ones.
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30 interview questions on real tables. Runs in your browser, works on your phone. Keep a daily streak.
SELECT dept, COUNT(*) FROM employees GROUP BY dept; ✓ CorrectLatest free PDFs
The newest roadmaps, cheat sheets and interview sets. Open one, read it here, download it in one tap.
Stop learning 50 Excel charts. These 6 are enough.
The 6 charts every dashboard needs, plus a 5-second chart picker.
ExcelFree PDF →Cheat SheetsTop 10 Excel formulas + 20 shortcuts
One page of formulas, one of shortcuts. Screenshot it and keep it next to your laptop.
ExcelFree PDF →Interview Prep3 customers, LEFT JOIN gave 4 rows. Why?
INNER vs LEFT, the WHERE trap, and counting zero orders. The JOIN question interviewers love.
SQLFree PDF →RoadmapsSQL in 30 days: week-by-week plan
What to learn, in what order, and what to practise each week.
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 →Explained SimplyHow I'd explain SQL to a 5-year-old
12 SQL ideas. One school day. Read once and it clicks.
SQLFree PDF →Roadmaps
What to learn, in what order, and for how long. No course hopping.
Interview Prep
The questions they actually ask in analyst interviews, with short answers you can say out loud.
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 →Cheat Sheets
One page. Every formula, shortcut and function you'll reach for daily.
Explained Simply
SQL and Excel explained the way you'd explain them to a 5-year-old. Then it clicks.
Three steps. Every day.
Pick one PDF
Start with a roadmap. Don't open five tabs. One topic at a time.
Type, don't read
Every query and formula gets typed and run by you. Reading is not learning.
Say it out loud
Explain each answer like you're in the interview. That's how it sticks.