Problem
Given a table of user ad impressions and another of ad clicks, write a query to calculate the click-through rate (CTR) per country, filtering out countries with fewer than 10,000 impressions.
Practicing as: Data Analyst interview at Unity TechnologiesHi, I'll play your Unity Technologies interviewer for the Data Analyst role. Candidates describe these interviews as mostly positive and moderately difficult, so expect me to be friendly and conversational. Take your time with the question above and answer like we're in the room.
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