Track · Backend

Query performance and plans

Read the plan, add the index, rewrite the query so it stops scanning everything. Here the result matters less than the query that produced it.

31 tasks~10 h4 modules

Track program

4 modules
  1. 1
    Module 1

    Reading plans

    8 tasks
  2. 2
    Module 2

    Indexes and rewrites

    9 tasks
  3. 3
    Module 3

    Heavy queries

    8 tasks
  4. 4
    Module 4

    Partitioning

    6 tasks

Who it's for

A track for backend developers. Tasks run from the basics to the advanced, grading is automatic, and both PostgreSQL and MySQL are supported.

Back to tracks