השיעור הזה זמין כרגע באנגלית.
Order and speed
A leaderboard needs the highest scores first, ten at a time, and it needs them fast even with millions of players. sort and limit take care of the order; indexes take care of the speed.
השיעור הזה זמין כרגע באנגלית.
A leaderboard needs the highest scores first, ten at a time, and it needs them fast even with millions of players. sort and limit take care of the order; indexes take care of the speed.