工具类网站:数据结构模拟 一、索引是什么 索引是帮助MySQL、Kafka、ES等组件高效获取数据的数据结构。本文针对的是MySQL的索引 二、索引能干什么 提高数据查询、排序的效率。 索引:排好序的快速查找数据结构!索引会影响 where 后面的查找,和 order by 后面的排序。 三、索引的分类 从数据结构上来划分:Hash索引,BTree索引(B-Tree或B+Tree索引
题目: Some people believe that school children should not be given homework by their teachers, whereas others argue that homework plays an important role in the education of children. Discuss both of t