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|    Message 17,755 of 19,505    |
|    Gert-Jan Strik to SQL Learner    |
|    Re: Convert numeric grade to letter grad    |
|    09 Feb 10 18:11:49    |
      c6122c60       From: sorrytoomuchspamalready@xs4all.nl              SQL Learner wrote:       >       > Thank you for your feedback and help, guys.       >       > The one-column table was used only for the purpose of simplication.       > My objective was to know how to get a second column which contains the       > converted values from the first column. The application can be used       > for many occuations. For one, we can use it to convert, say "NY",       > "CA" .... to "New York", "California"...       >       > What Plamen provided was enough for the purpose.       >       > I think in term of efficient, Gert-Jan's method may be the best if I       > have a lot of data to "convert".       >       > SQL Server              IMO, data should be in a database, not in a query. The example you give       in this post is a typical example of a states table.              What I would like to add is that you don't want to have the same CASE       expression in multiple places, because that makes it very hard to       maintain. So I would advise against creating lookup tables in       expressions. On the other hand, a CASE expression can be a great       solution for data formatting or adding default descriptions.              --       Gert-Jan              --- SoupGate-Win32 v1.05        * Origin: you cannot sedate... all the things you hate (1:229/2)    |
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