tailieunhanh - Microsoft SQL Server 2012 High-Performance T-SQL Using Window Functions

Tham khảo sách 'microsoft sql server 2012 high-performance t-sql using window functions', công nghệ thông tin, kỹ thuật lập trình phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | Microsoft Foreword by Tobias Ternstrõm Lead Program Manager Microsoft SQL Server Engine team Microsoft SQL Server 2012 High-Performance T-SQL Using Window Functions Itzik Ben-Gan SolidQ Microsoft SQL Server 2012 High-Performance T-SQL Using Window Functions Apply powerful window functions in T-SQL and increase the performance and speed of your queries Optimize your queries and obtain simple and elegant solutions to a variety of problems using window functions in Transact-SQL. Led by T-SQL expert Itzik Ben-Gan you ll learn how to apply calculations against sets of rows in a flexible clear and efficient manner. Ideal whether you re a database administrator or developer this practical guide demonstrates how to use a range of T-SQL querying solutions to address common business tasks. Discover how to Go beyond traditional query approaches to express set calculations more efficiently Delve into ordered set functions such as rank distribution and offset Implement hypothetical set and inverse distribution functions in standard SQL Use strategies to improve sequencing paging filtering and pivoting Increase query speed using partitioning ordering and coverage indexing About the Author Itzik Ben-Gan a Microsoft MVP for SQL Server since 1999 is cofounder of SolidQ a company that provides consulting and training services for the entire Microsoft data platform. He writes numerous articles for SQL Server Pro magazine and speaks at industry events such as the Professional Association for SQL Server PASS and Microsoft TechEd. DEVELOPER ROADMAP Start Here Beginner-level instruction Easy to follow explanations and examples Exercises to build your first projects Apply new optimization iterators such as Window Spool Handle common issues such as running totals intervals medians and gaps Step by Step For experienced developers learning a new topic Focus on fundamental techniques and tools Hands-on tutorial with practice files plus eBook Get code samples on the web Ready to download at .