Tag Archives: data types

  1. Using LEN wrong.


    June 2, 2016 by Kenneth Fisher

    I was reading someone’s question the other day on StackExchange and while the existing comments/questions solved the OP’s (original poster) …
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  2. varchar(1) VS char(1)


    February 15, 2016 by Kenneth Fisher

    The other day I made a somewhat flip coment on twitter. (I know, everyone is shocked right?) varchar(1) Really? It’s …
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  3. How are COALESCE and ISNULL different?


    August 7, 2013 by Kenneth Fisher

    At first glance these two functions seem very similar, and superficially they are. For example COALESCE(fieldname1, fieldname2) and ISNULL(fieldname1, fieldname2) …
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