Regarding MSSQL, is this 'tip' outdated?
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So according to [this website][1], we should not use `distinct` as a function, i.e. don't do something like


    select distinct(employeeID), salary
    from salaryhist


Is that still true? I'm having a  hard time figuring it out with queries

  [1]: http://weblogs.sqlteam.com/jeffs/archive/2007/10/12/sql-distinct-group-by.aspx
