mahir_data

SQL interview prep · Southeast Asia

Get mahir with data.

Real SQL interview questions themed around the companies you're actually applying to: Grab, Shopee, Maybank and more. Every query runs instantly in your browser. Mahir is Malay for skilled, expert.

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55 questions · a free 26-chapter tutorial · no signup to start

grab · completed rides
SELECT city, COUNT(*) AS completed_rides
FROM   rides
WHERE  status = 'completed'
GROUP BY city;
citycompleted_rides
Johor Bahru3
Kuala Lumpur2
Penang1
✓Correct, nicely done.
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01

Runs in your browser

Real Postgres compiled to WebAssembly. Instant feedback, nothing to install, your queries never leave your machine.

02

Local companies

Scenarios drawn from Grab, Shopee, Maybank and other regional names, not generic Silicon Valley trivia.

03

Priced for the region

Fair, PPP-based pricing in ringgit. Serious interview prep without the Bay Area subscription.