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Introduction to SQL

Challenge: Find the Regions in Which All Countries Are LocatedChallenge: Find the Regions in Which All Countries Are Located

Task

Write an SQL statement to get 4 unique region values from the country table.

Here's a short example of the country table:

idnamecontinentregionsurfaceareacapitalpopulation
1JapanAsiaEastern Asia377829Tokyo126714000
2LatviaEuropeNULL64589Riga2424200
3MexicoNorth AmericaCentral America1958201Mexico City98881000
.....................
15MaltaEuropeSouthern Europe316Valletta380200

Everything was clear?

Section 1. Chapter 10
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