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Introduction
5. Get to know the tables – speed skating medalists
UNION
INTERSECT
EXCEPT

Instruction

All right, let's see what we've got here. Oh wait – deja vu? Nope, the rows are different, it's just that the column names are the same. After all, no matter the discipline, this kind of information stays the same, isn't that right?

Actually, it's going to be important that both of our tables have the same number of columns. You'll understand why later.

Exercise

Click Next exercise to proceed.