Interview Lab

The questions, and what the interviewer is actually assessing

Every answer explains the reasoning being tested, not just the correct response — because reciting an answer without understanding why it is right does not survive the follow-up.

questions: 8
tracks: 8

SQL Interview

The SQL questions that come up again and again.

1 question

Python Interview

Python questions for data roles.

0 questions

Power BI Interview

Modelling, DAX and performance questions.

1 question

Data Analyst

The full analyst loop: SQL, stats, communication.

1 question

Data Scientist

Modelling, experimentation and validation.

1 question

Data Engineer

Pipelines, modelling, orchestration and trade-offs.

2 questions

Business Analyst

Requirements, process and stakeholder questions.

1 question

AI Engineer

RAG, agents, evaluation and production concerns.

1 question