All Skewed Up

Data can be skewed by its nature. How can you tell if you have skewed data in your database? And if you do, how do you handle it when writing queries? Mitigating skewed data is hard and not obvious. Broadly speaking, you can try to work around skewed data two ways. Adjust the data that you have in the software or look for hardware solutions. In this whitepaper, Joe Celko shares a few tricks to consider using on a case-by-case basis.

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