Coach note
Interviewers ask this kind of question to surface how you think, not what you remember. The strongest answers are specific, calmly told, and end on what changed.
SQL · Aggregation
From a clinical_trials table with trial_id, drug_id, start_date, end_date, and outcome, write a query that returns drugs tested in at least 5 trials where more than 60% had positive outcomes.
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