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

Instruction

Alright, let's see what we've got here. Deja vu? Nope, the actual rows of the Skating table are different; it's just that the column names are the same as those of the Cycling table. After all, no matter the discipline, this kind of information about medalists stays the same, right?

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

Exercise

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