What types of relationships between tables exist in SQL?
Product Analyst
Where will the median and mean be located in a right-skewed distribution?
Tell me about your work experience and projects
If the significance level α is set, with a probability of Type I error equal to 1, what will happen?
Case: Cybersecurity wants to ban screen sharing in the Alpha segment due to the risk of K1/K2 leakage through guests during open meetings. What would you do?
**Python tasks** A Pandas DataFrame with data from orders_log is called df. 1) Filter the rows: status "processing" AND revenue > 50000 AND priority "high". Display the result. 2) Create a column 'revenue_group' according to the rules: ‘Small’ (< 50000), ‘Medium’ (50000 <= revenue < 90000), ‘Large’ (>= 90000). Then count the number of orders in each group by categories (Category) and display the result. 1) df[(df["state"] == "processing") & (df["revenue"] > 50000) & (df["priority"] == "high")] 2)
How can a large prompt be shortened? What to do with a huge context?
How do you feel about teamwork? Are you more of a solo performer or a team player?
Are you isolated as an analyst or part of a product team?
Case: a business comes to you with a big task, you don't have time to detail everything, but the developer wants to start. You need to deliver a document in an hour. What will you write and in what format?
Have you had experience with product development and direct interaction with developers?
How does request grouping work and why is it a complex task?
Why can't the average be used to calculate discounts in skewed LTV distribution?
Case: cybersecurity employees do not want to miss a feature because the functionality is not equipped with metrics and it is impossible to find the culprit in an incident. What will you do?
What window functions have you used most often? How does RANK differ from DENSE_RANK?
Tell me more about the team project: who participated in the team, what was your area of responsibility, and how was communication organized within the team?
How would you approach expanding the system to a new type of requests — for example, from FAS instead of FNS?
Table with 1 column: id --- 1 2 3 4 5 NULL NULL 1) What will the function return in a query like: -- SELECT ... FROM table count(*) = count(1) = count(id) = count("id") = count(NULL) = 2) min(id) = max(id) = sum(id) = avg(id) =
Why are you interested in this position?
How to handle currency exchange rate gaps during holidays and weekends?