SQL: how to count something. How to use the union function to count something conditional on something else. Case: How to implement video chat. (SQL was a toy model of chat data)
Sr Data Scientist Interview Questions
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SQL: how to count something. How to use the union function to count something conditional on something else. Case: How to implement video chat. (SQL was a toy model of chat data)
How to avoid dead lock
What is heap
Describe your background as it relates to this position
SQL - Calculate the percent of something Product case - in this real world situation, how would you solve this problem using data science?
- What is your background? Walk me through your background. - Typical case study questions. - Very tricky SQL questions
Random questions irrelevant to data science
How do you select the treatment groups' size in case of an A/B test.
Quelles métriques utilisez-vous pour mesurer la performance d'un algorithme de classification et pourquoi ?
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