This is a premium problem. We're working on making it available for free soon.
Explore Free ProblemsLoading editor...
{"headers":{"Accounts":["id","name"],"Logins":["id","login_date"]},"rows":{"Accounts":[[1,"Winston"],[7,"Jonathan"]],"Logins":[[7,"2020-05-30"],[1,"2020-05-30"],[7,"2020-05-31"],[7,"2020-06-01"],[7,"2020-06-02"],[7,"2020-06-02"],[7,"2020-06-03"],[1,"2020-06-07"],[7,"2020-06-10"]]}}