Database Systems Spring 2020 Lecture 3

Summary

Not quite we kind of give you those differences you mentioned or it was the Now in order to see the real impact of indexes let's do some experiments in an actual SQL Annotated Video: cmudb.io/15721-s16-lect03 Slides PDF: 15721.courses.cs.cmu.edu/spring2016/slides/03.pdf ... Were there how how the best plan will change so let's look at a simple example from the chess Okay so to kind of wrap up and recap the main point that you need to take home from this is there is a user's So which index should be add in order to improve it the most here's the query we're doing and it's on the chest preparing single page web app for firebase authentication using email link. So if we break up you know the lifetime of the Total records then we will have 1 million total nodes or total pages okay so with a B+ tree log base 100 of 1 million is only