이 레슨은 당분간 영어로 제공돼요.
From records to rankings
Seven game records do not tell you who is winning. The aggregation pipeline does: documents flow through stages that filter, group, sort and reshape them, and a leaderboard comes out the other end.
이 레슨은 당분간 영어로 제공돼요.
Seven game records do not tell you who is winning. The aggregation pipeline does: documents flow through stages that filter, group, sort and reshape them, and a leaderboard comes out the other end.