database-index-blog
By Yan Yu on 12 September 2019

Many of us work with databases occasionally or daily. And I bet all of us are being told that to speed up the query speed, we can create and use index for tables. But probably few of us know how index is actually implemented under the hood, myself included. So I started developing an interest in this topic a while ago and wanted to know, at least at a high level, what makes database indexing happens.