Search ⌘K
Practice Workspace

Practice with the full bank, then narrow into a path.

Your active path is foundations track, but the catalog stays broad by default so you can spot harder reps, switch contexts quickly, and still return to the path that best matches your current goal. Starter includes 160 free problems and marks 94 Pro-only problems before you open a gate.

254 problems
160 free
94 Pro
393 company scenarios
34 hard reps visible
160 runnable on starter
0 solved so far
Start broad, then focus when you want structure.

Company labels help frame practice in a familiar business context. They are directional study aids, not official interview guidance from the companies listed. We keep all paths visible first so hard questions do not disappear.

7 visible
Hard 1
Medium 1
Easy 5
160 free problems

· 94 Pro problems · Filter:

Company
Difficulty
Path
Suggested path: Foundations Track
Pro feature
Free questions stay open
Browse first, then sign in when you want to run SQL.

Free problems open for practice. Pro unlocks the full bank, study plan, and mock interviews.

IshaSQL Pro — 30-day pass
₹999

30 days of Pro access. Renew or extend anytime; extra time stacks from your current end date.

IshaSQL Pro — annual pass
Best value
₹7,999

365 days of Pro access. Renew or extend anytime; extra time stacks from your current end date.

8+ months free vs buying 30-day passes.

Stripe
Stripe

Foundations Track

Asked at 6 companies
Easy
15 min
Top Sellers By Gross Sales

Stripe is reviewing top sellers by gross sales through a operations review. Return the top 3 sellers by total_gross_sales. Output seller_id and total_gross_s...

Foundations Track
query basics
Stripe
Stripe

Foundations Track

Asked at 20 companies
Easy
15 min
2024 App Click Volume

At Stripe, analysts are preparing a ops memo focused on 2024 app click volume. Return each app_id and the total number of click events recorded in 2024. Sort...

Foundations Track
query basics
Stripe
Stripe

Foundations Track

Asked at 7 companies
Medium
25 min
Departments Above Average Pay

Stripe is reviewing departments above average pay through a readout. Return each department_id whose average salary exceeds the company average salary for Ma...

Foundations Track
Pro
query basics
aggregation
Stripe
Stripe

Foundations Track

Easy
15 min
Pages With No Likes

Use this Stripe operations review to work on pages with no likes. Return every page_id that has no follower rows. Sort by page_id.

Foundations Track
query basics
Stripe
Stripe

Foundations Track

Asked at 19 companies
Easy
15 min
Creators With Multiple 2024 Posts

At Stripe, analysts are preparing a coverage check focused on creators with multiple 2024 posts. Return each creator_id that posted at least two items in 202...

Foundations Track
query basics
Stripe
Stripe

Interview Core Track

Medium
25 min
Average Minutes to First Reply

Support leadership wants to compare response speed across inboxes. For conversations created in May 2024, return each inbox_name and the average number of mi...

Interview Core Track
query basics
aggregation
Stripe
Stripe

Interview Core Track

Hard
35 min
Rapid Repeat Card Payments

Risk operations wants to flag merchants that received back-to-back payments for the same amount within a ten-minute window. For each merchant_id, return repe...

Interview Core Track
Pro
query basics
filtering