Ben-Gan Itzik. T-SQL Querying (Developer Reference)

Microsoft Press, 2015. — 864 p. — ISBN10: 0735685045; ISBN13: 978-0735685048.T-SQL insiders help you tackle your toughest queries and query-tuning problems.
Squeeze maximum performance and efficiency from every T-SQL query you write or tune. Four leading experts take an in-depth look at T-SQL’s internal architecture and offer advanced practical techniques for optimizing response time and resource usage. Emphasizing a correct understanding of the language and its foundations, the authors present unique solutions they have spent years developing and refining. All code and techniques are fully updated to reflect new T-SQL enhancements in Microsoft SQL Server 2014 and SQL Server 2012.
Write faster, more efficient T-SQL code:
Move from procedural programming to the language of sets and logic.
Master an efficient top-down tuning methodology.
Assess algorithmic complexity to predict performance.
Compare data aggregation techniques, including new grouping sets.
Efficiently perform data-analysis calculations.
Make the most of T-SQL’s optimized bulk import tools.
Avoid date/time pitfalls that lead to buggy, poorly performing code.
Create optimized BI statistical queries without additional software.
Use programmable objects to accelerate queries.
Unlock major performance improvements with In-Memory OLTP.
Master useful and elegant approaches to manipulating graphs.
For experienced T-SQL practitioners.
Includes coverage updated from Inside Microsoft SQL Server 2008 T-SQL Querying and Inside Microsoft SQL Server 2008 T-SQL Programming.
Valuable to developers, DBAs, BI professionals, and data scientists.
Covers many MCSE 70-464 and MCSA/MCSE 70-461 exam topics.