Resources

• https://15445.courses.cs.cmu.edu/fall2022 课程官网
• https://github.com/cmu-db/bustub Bustub Github Repo
• https://www.gradescope.com/ 自动测评网站 GradeScope
• https://discord.gg/YF7dMCg Discord 论坛，课程交流用
• https://www.bilibili.com/video/BV1Bg411w7kW/?spm_id_from=333.999.0.0&vd_source=06def12065e2f44a1283169bd13b48bc Moody老师的中文讲解ppt
• https://15445.courses.cs.cmu.edu/fall2022/bpt-printer/ B+ 树插入删除的官方printer

Overview

Task 1 Access Method Executors

SeqScan

Insert & Delete

IndexScan

Task 2 Aggregation & Join Executors

Aggregation

NestedLoopJoin

NestedIndexJoin

Task 3 Sort + Limit Executors and Top-N Optimization

Sort

Limit

TopN

Sort + Limit As TopN