My Top 10 Things I Hate About SQL post has been an interesting social experiment, to say the least. I knew I was taking a risk by not clearly stating that it was intended as humor, but I thought it would be funny to just post it to see what kind of responses came back.
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One aspect of the versatile SELECT statement that seems to confuse many people is the GROUP BY clause. It is very important to group your rows in the proper place.
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