Apple SQL interview questions
Device, App Store and services analytics with a strong focus on data quality. Practice reconstructed Apple-style SQL, Python and pandas interview questions below — run and grade them instantly in your browser.
sqlpandaspythoneasy4medium9hard5
typical interview loop
- 1.Recruiter screen
- 2.Technical screen: SQL plus a Python data-manipulation exercise
- 3.Onsite: data modeling / pipeline design, coding, behavioral
- › Handle NULLs and duplicates explicitly.
- › Be ready to explain assumptions about messy source data.
most-tested topics
GROUP BY
3
groupby
3
JOIN
3
dates
3
Window functions
2
ORDER BY
1
Based on 18 reconstructed Apple-style questions.
practice path
1 free · 17 Protype
level
- 1Device activations by countrysqleasy
- 2Minutes per apppandaseasy
- 3Revenue by app categorysqleasy
- 4Validate device serialspythoneasy
- 5Active subscription value by plansqlmedium
- 6Apps that never soldsqlmedium
- 7Average session length per appsqlmedium
- 8Crash rate per apppandasmedium
- 9Monthly App Store revenuesqlmedium
- 10Refund window checkerpythonmedium
- 11Spend per user with device modelsqlmedium
- 12Subscription renewal schedulepythonmedium
- 13Top spender per countrypandasmedium
- 14Daily engagement pivotpandashard
- 15Longest daily usage streakpythonhard
- 16Month-over-month revenue changesqlhard
- 17Running revenue by monthsqlhard
- 18Short-lived subscriptionssqlhard
Unlock all 18 Apple questions with Pro.
upgrade