SQL JOINs Explained: The Mistake That Silently Deletes 24 Rows
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Your query returns 5,480 rows when you know there are 5,504. Nothing errored. Twenty-four rows of your data just disappeared and the…

 

 Your query returns 5,480 rows when you know there are 5,504. Nothing errored. Twenty-four rows of your data just disappeared and the…Continue reading on Medium » Read More Sql on Medium 

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By ali

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