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SQL Aliases Exercise

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The exercise below asks for the answer AS Pno.  The only reason I know that is that I clicked on the show answer button.  My answer, was AS Zip, which is what we shorten Postal code to in the US.  I had never heard of Pno until today.  I couldn't even find that abbreviation on the web.  What I found was planned non-operation, which is a choice for type of vehicle registration here.  How was I supposed to get this correct?


SELECT CustomerName,
FROM Customers;
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I can't see what the exercise actually was, but for learning purposes, the alias you use should not matter at all. Most likely it was the syntax that was incorrect.

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