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Find Duplicates in SQL

Easy
SQL & Data ManipulationGroup ByHavingAggregations

Problem

Write a SQL query to find duplicates in a dataset.

Practicing as: Data Engineer interview at Ryan Specialty

Hi, I'll play your Ryan Specialty interviewer for the Data 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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