CHAPTER 9
Common Table Expressions and Windowing Functions
SQL Server 2014 continues support for the extremely useful common table expression (CTE), first introduced in SQL Server 2005. CTEs can simplify your queries to make them more readable and maintainable. SQL Server also supports self-referential CTEs, which make for very powerful recursive queries.
In addition, SQL Server supports windowing functions, which allow you to partition your results and apply numbering and ranking values to the rows in the result-set partitions. This chapter begins with a discussion of the power and benefits of CTEs and finishes with a discussion of SQL Server ...
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