非编码RNA（non-coding RNA）包括micro RNA，long non-coding RNA，circular RNA，pi RNA等，它们不像蛋白质，可以作为生命活动的直接承担者，有关非编码RNA组学的研究也不能像蛋白分子或者基因分子一样仅仅做定量研究。...

Find the kth largest element in an unsorted array. Note that it is the kth largest element in the sorted order, not the kth distinct element.

1）当使用组函数的select语句中没有group by子句时，中间结果集中的所有行自动形成一组，然后计算组函数；

Given a sorted linked list, delete all nodes that have duplicate numbers, leaving only distinct numbers from the original list.

Given a set of distinct integers, nums, return all possible subsets.

order by 对查询结果排序[课程号从大到小排列：降序desc]; asc是升序排列

Given an array of integers, find out whether there are two distinct indices i and j in the array such that the difference between numsi and numsj is at most t a...

Given an array of integers and an integer k, find out whether there are two distinct indices i and j in the array such that numsi = numsj and the difference bet...

我在《拼多多面试题：如何找出连续出现N次的内容？》里讲过遇到“连续问题”如何解决，并送出了一个万能模板，模板使用的是窗口函数解决连续问题。...

列的离散性(可以理解为差异性)=count（distinct col ) / count（col）