Instructions

Please download lab materials lab11.zip from our QQ group if you don't have one.

In this lab, you are required to complete the problems described in section 4. The starter code for these problems is provided in lab11.sql.

Submission: As instructed before, you need to submit your work with Ok by python ok --submit. You may submit more than once before the deadline, and your score of this assignment will be the highest one of all your submissions.

Readings: You might find the following references to the textbook useful: