Itzik Ben-Gan, Lubor Kollar, Dejan Sarka, Steve Kass Inside Microsoft SQL Server 2008 T-SQL Querying

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Tackle the toughest set-based querying and query tuning problems-guided by an author team with in-depth, inside knowledge of T-SQL. Deepen your understanding of architecture and internals-and gain practical approaches and advanced techniques to optimize your code's performance. Discover how to: Move from procedural programming to the language of sets and logic Optimize query tuning with a top-down methodology Assess algorithmic complexity to predict performance Compare data-aggregation techniques, including new grouping sets Manage data modification-insert, delete, update, merge-for performance Write more efficient queries against partitioned tables Work with graphs, trees, hierarchies, and recursive queries Plus-Use pure-logic puzzles to sharpen your problem-solving skills