MySQL
run time 342s\nselect actor_id, director_id\nfrom actordirector\ngroup by actor_id, director_id\nhaving count(*)>=3\n\nrun time 448s\n\nselect actor_id, directo
run time 342s\n```select actor_id, director_id\nfrom actordirector\ngroup by actor_id, director_id\nhaving count(*)>=3\n```\nrun time 448s\n```\nselect actor_id, director_id\nfrom actordirector\ngroup by actor_id, director_id\nhaving count(timestamp)>=3\n```\n
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