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  • TSQL Challenge - Remove duplicates from a string

    I have a table where a coloumn contains the ordering of some preferences. Each preference is represented by a letter ,i.e. AYFT represents preferences A, Y, F and T in that order. All 26 characters are possible preferences. A preference can only appear once in the string. Due to a bug the data has become...
    Posted to Simons SQL Blog (Weblog) by simonsabin on Tue, Jan 5 2010
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