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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.

3 visible
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Medium 1
Easy 2
160 free problems

· 94 Pro problems · Filter:

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Suggested path: Foundations Track
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O
Oracle

Foundations Track

Easy
15 min
6. Average Sales Revenue by Product Category for Oracle

As a tech company, Oracle offers a diverse range of products including databases, cloud solutions, and other software services. The company would likely be i...

Foundations Track
aggregation
date functions
O
Oracle

Interview Core Track

Easy
15 min
10. Determine Records in One Table Not Present in Another

To find records in one table that aren't in another, you can use a LEFT JOIN and check for NULL values in the right-side table. Here is an example using two ...

Interview Core Track
joins
filtering
O
Oracle

Interview Core Track

Medium
25 min
2. Designing Database for Oracle's Employee Training Program

Oracle is starting a new Employee Training Program and wants to keep track of each employee's progress. The program includes multiple courses, and each cours...

Interview Core Track
joins
aggregation