SQL Aggregates Quiz: Boss Battle

5 timed questions to test what you learned in Aggregates: Crunch the Numbers.

What you'll be asked

  • Predict the output: What number comes back?
  • Which query returns the cheapest pizza price?
  • Write the query: Return the total number of orders that were NOT delivered. Name the column undelivered.
  • Predict the output: What is the result?
  • Fix the bug: Fix this so it returns the average pizza price rounded to 1 decimal.

Open this page in a browser to fight the boss. Score 60% or more to win.