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  • Bad habits to kick : choosing the wrong data type

    In my last post in this series, I talked about the assumptions many people make about IDENTITY columns.  In this post, I want to focus on choosing data types.  There are several areas where I see frequent mistakes in data type choice, and I'll mention a few here. Using CHAR / VARCHAR / INT for date / time values Countless times I have ...
    Posted to Aaron Bertrand (Weblog) by AaronBertrand on October 12, 2009
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