We keep only a compound primary key and a secondary index for each row, and answer all queries from a single index.

我们只保留了一个组合主键和一个辅助索引来完成所有的查询。

youdao

I grow up to become a detective Sherlock Holmes, like all problems, find the key, not shrink back for the true answer, only one truth forever!

我长大后想当一名侦探，像福尔摩斯那样，找出一切难题的关键所在，毫不退缩的寻找真正的答案，真相永远只有一个！

youdao

Everyone gets the itch to succeed, but only part of them can make their dreams come true. You maybe wonder:what is the key to success? The answer is "To keep the desire to learn".

每个人都渴望成功，但只有一部分人可以把他们的梦想成真。你也许想知道：成功的关键是什么?答案是“继续学习的愿望”。

youdao

Everyone gets the itch to succeed, but only part of them can make their dreams come true. You maybe wonder:what is the key to success? The answer is "To keep the desire to learn".

每个人都渴望成功，但只有一部分人可以把他们的梦想成真。你也许想知道：成功的关键是什么?答案是“继续学习的愿望”。

youdao