On January 21th at 14:15 UTC , progression through exercises will be unavailable for 10 minutes due to a planned maintenance break.
Deals Of The Week - hours only!Up to 80% off on all courses and bundles.-Close
Challenge time

Instruction

Good! Let's take a look at the third table!

Exercise

Select all data from the tuition table. As you can see it has only two columns:

  • group_id - the id of a given group, and
  • cost - the tuition fee for one semester.