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1. Introduction


And... finally! You've made it to the last part of our course. It's time for our ultimate quiz!

Do you remember string functions? Numerical functions? Dates? It's time to check up on all of that! We've prepared nine questions that will test your new skills.

As always, we'll start by introducing the data you'll be working with. Today, our fictional client is an IQ society (like Mensa). Let's see what this data has to say.


Select all the information from the Branch table. There's nothing extraordinary in this table—just the Id number of the various branches and the Country and City where each is located.