In database terminology primary key refers to the column in a table that's intended to be the primary way of identifying rows. Each table must have exactly one, and it needs to be unique. This is usually some kind of a unique identifier associated with objects presented by the table, or if such an identifier doesn't exist simply a running ID number (which is incremented automatically).
Here you can book a meeting with course staff to discuss about your project deliverables. You will meet twice with the course staff, one in the mid of the course and one after you have finished your project. We have reserved slots of 40 minutes / meeting.
For the online meeting we are going to use Zoom online video conference system.
The address to access the meeting is: https://oulu.zoom.us/j/4968860406. When you open this address Zoom will automatically download a small client for your computer.
During the meeting, please be ready to share your screen so you can show us your code and tests runnning.