SQL Arena
Track · Data Eng

CTEs: queries in steps

Tasks where the answer does not fit into one SELECT: intermediate steps, branching, recursion. What real reports and data marts are assembled from.

30 tasks~10 h4 modules

Track program

4 modules
  1. 1
    Module 1

    First CTEs

    8 tasks
  2. 2
    Module 2

    Chained steps

    8 tasks
  3. 3
    Module 3

    Complex pipelines

    8 tasks
  4. 4
    Module 4

    Expert

    6 tasks

Who it's for

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

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