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SQL Join and Aggregation Query

Medium
SQL & Data ManipulationJoinssqlAggregations
Asked 2mo ago|eClerx

Problem

Write a SQL query to solve a complex data retrieval problem involving joins and aggregations.

ePracticing as: Software Engineer interview at eClerx

Hi, I'll play your eClerx interviewer for the Software Engineer 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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