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███ ███
███ T H E O S O P H I A ███
███ .wisdom is here. ███
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███ Proudly Presents ███
███ SQL 2012 Developer: Complex Querying ███
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███ Release notes: ███
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███ Date.........: November 16, 2015 ███
███ Size.........: 05x15mb ███
███ Url..........: http://is.gd/zCml7R ███
███ Type.........: Bookware ███
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███ Description: ███
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███ WeÆll start off by discussing the specifics of a topic you might not ███
███ expec handling NULLs! I know it sounds surprising, but itÆs ███
███ important to really understand how to work with NULL values ███
███ especially if you plan to integrate with the Common Language ███
███ Runtime. Next, weÆll address another common and seemingly ███
███ straightforward taskùthe ranking of data. WeÆll explore the ███
███ specifics of how to rank grouped data using some T-SQL functions ███
███ including ROW_NUMBER, RANK, DENSE_RANK, and NTILE. Next weÆll take a ███
███ look at how to identify correlated subqueries and how you can ███
███ possibly replace them with more efficient constructs. Finally, weÆll ███
███ look at an alternative to subqueries, derived tables, and temporary ███
███ tablesùknown as Common Table Expressions, or CTEs, they are similar ███
███ to derived tables but they are self-referencing, can be used ███
███ numerous times within the same query, and can be called recursively! ███
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███ Install notes: ███
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███ Unpack, burn/mount and go learning ███
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███ Greetings: ███
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███ To all the groups who brings quality - you know who you are ███
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