Tell us what you know about Apache Kafka. What does a topic consist of?
Middle
496
Data Analyst
296
0
What is a p-value and how to draw conclusions from it when analyzing an A/B test (rejecting or not rejecting the null hypothesis)?
Intern
494
What is PERCENTILE_CONT and what does it return?
Intern
494
Do you have experience in financial or operational modeling?
457
-- Find the top 5% users with the highest number of orders by name.
Intern
454
What are other ways to solve the problem of finding employees older than the manager? (alternative approaches)
Intern
448
Why is LEFT JOIN used instead of other types of JOIN?
Intern
435
Explain the algorithm for computing the dot product of two compressed (RLE-encoded) vectors in a single pass without unpacking them. What is the asymptotic time complexity?
Intern
416
How can you speed up solving problems if the alphabet consists only of lowercase Latin letters?
Intern
401
How to conduct A/B tests?
Intern
395
Tell me more about your course project: what kind of bot it is, what functionality, what features were included in the model?
Intern
391
What challenges do you face when preparing for interviews? (повторный вопрос с просьбой развернуть ответ)
Junior
387
Has ML been used for feature selection in a car classification task?
Intern
382
What do you usually do after the SQL for a DBT model is ready?
Senior
368
// we have a method to get product information, this method is called very often // are there any problems with this code and how to fix it? PostgreSQL database
Principal
366
Tell me about yourself and your work experience
Intern
364
Tell us about your most interesting projects and why you want to develop in analytics
Intern
355
Describe your career path and specialization (question from the instructor about the department and specialization)
Junior
352
How does electronic digital signature (EDS) work?
Middle
352
class SparseVector: def __init__(self, nums: list[int]): def dotProduct(self, vec: 'SparseVector') -> int:
Intern
321