A better starting point
for your next answer.
Common interview questions, broken down. Understand what to cover, read an example, and make the answer your own.
Experience & behavioural
Find the story in your own experience.
Tell me about yourself
How to answer “Tell me about yourself” in an interview: a 60-second present–past–future structure with an example answer.
Read the guideWhy should we hire you?
How to answer “Why should we hire you?”: match three of your strengths to their needs, with proof, plus an example answer.
Read the guideWhat are your strengths and weaknesses?
How to answer “What are your strengths and weaknesses?” honestly, with a real weakness and how you're improving it.
Read the guideTell me about a challenging project
How to answer “Tell me about a challenging project” using the STAR method, with an example answer.
Read the guide
Technical conversations
Understand the idea, then explain it clearly.
How do you find the second highest salary in SQL?
Find the second highest salary in SQL with DENSE_RANK or a subquery, handling ties, with code for MySQL and PostgreSQL.
Read the guideWhat is the difference between a data warehouse and a data lake?
Data warehouse vs data lake explained for interviews: schema-on-write vs schema-on-read, users, cost and when to use each.
Read the guideWhat is the difference between ETL and ELT?
ETL vs ELT for data engineering interviews: where the transformation happens, pros and cons, and modern tools.
Read the guideWhat is the difference between DELETE and TRUNCATE?
DELETE vs TRUNCATE in SQL: WHERE clauses, triggers, logging, speed and rollback, explained for interviews.
Read the guide
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