Free Online MySQL 8.0 Sakila (ReadOnly) Playground: Practice & Master SQL Skills

SQL code: Upload Copy Format Clear

SET SESSION group_concat_max_len = 1000000;; select rental_date as meet_time, s.store_id, group_concat( concat (c.first_name,' ', c.last_name) order by c.last_name ) as customers from rental as r,staff as s,store,customer as c where s.staff_id=r.staff_id and store.store_id=s.store_id and c.customer_id=r.customer_id group by rental_date,s.store_id having count(r.customer_id)>1 order by rental_date,s.store_id ; show status like 'Last_query_cost';

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SQL Result: ( preserve ) Copy Clear

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