- Operator that combines and returns the result-set (rows) retrieved by two or more select statements? - How would you determine the customer service quality of Facebook Marketplace B2B2C through the chatbox? - Some basic AVG() SQL question - Learn how to use SQL CTE for basic aggregate functions
Tell me about yourself and what you do?
Basically groupby and filtering question in SQL and how to increase ad revenues
Several SQL questions and some behavioural ones
querying a database using SQL
Figure out who is friends from profile.
Question about messenger pay. If the transform is decreasing, how to analyze it.
How would you evaluate Facebook Dating?
1. What month and year do you expect to graduate? 2. Please provide a 2-3 sentence overview of a data project (internship, school or personal project) that you previously worked on. 3. What (technically) was your role in the project? Please explain how you used data to help make a decision or drive a result? 4. What ended up being (or will hopefully be) the overall impact of the project? 5. Did you do any kind of experimental design, hypothesis testing, A/B testing or multivariate testing? 6. What is your strongest coding language? 7. Are you actively interviewing, and do you have any deadlines (pending offers, etc.)? Next question, is a Data Science Product exercise. This is a chance to get into the mindset of our data scientists as they work on FB products. 8. Let’s say we want to figure out for any Facebook (or Instagram) user, who their best friend is so we can prioritize showing their content in the News Feed. What product signals and metrics (please max at 5) would you use to determine who a user’s best friend is? In addition, which metric is the most important and why?
telll us about a time you faced a technical challenge
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