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Tell me about a situation where you had to make a decision that was met with resistance or pushback.

Explain all types of joins in SQL (using whiteboard, with examples). Having OrgTable(guid,name,office_loc,headcount,org_guid) given org_guid has 1-M relationship with guid, write a query to return team_guid,team_name,org_name,org_guid (to show which org each team belongs to) by leveraging a CTE (Common Table value Expression) recursive query.

How would you select the value of "k" in the K-means algorithm?

In your view, what are the key trends that are currently shaping the tech industry? And how do these trends impact your product marketing strategies and approaches?

Can you give an example of a time when you needed to get your team on board with a decision from your manager and what steps did you take?

Assume you are an Amazon engineer, the review scores of amazon items are sometimes biased, because people usually give a score only if they strongly like it or strongly dislike it. How would you know if the review score of a given item is biased or not?

How have you balanced making decisions that are in the best interest of the company, even if they may not be popular with stakeholders or employees?

When it comes to detecting anomalies, what role do statistical models play?

How would you architect a scalable platform for monitoring and routing city-wide traffic in real-time?

Brainstorm an app that helps people find roommates with shared interests.