Back to basic, let's brush up on some SQL :) At my company we have employees creating customer accounts every day. Sometimes we make mistakes, for instance, we forget to check if...

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IDs are often numbers. Unfortunately there are only 10 digits to work with, so if you have a lot of records, IDs tend to get very lengthy. For computers that's OK. But human beings...

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Code spends more time being read then being written. I think naturally this is true for queries as well. So it might help if we teach ourselves some guidelines as how to nicely for...

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