Instruction
Very well done – you've answered the question correctly. Congratulations!
That's it for this part. In the next part, we'll get to know DEFAULT – yet another type of constraint. See you there!
Exercise
Click to finish this part.

Very well done – you've answered the question correctly. Congratulations!
That's it for this part. In the next part, we'll get to know DEFAULT – yet another type of constraint. See you there!
Click to finish this part.
