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  • Declarative ETL

    T-SQL is a declarative programming language. This means that a T-SQL developer defines what (s)he wants the query to do, not how to do it. The secret sauce that turns the “what” into the “how” is a piece of software called the query optimiser and there are tomes dedicated to how one can make the query optimiser dance to their will. Generally the ...
    Posted to Jamie Thomson (Weblog) by jamiet on August 16, 2013
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