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 ways to use more than a dozen 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 for improving sequencing, paging, filtering, and pivoting
Increase query speed using partitioning, ordering, and coverage indexing
Apply new optimization iterators such as Window Spool
Handle common issues such as running totals, intervals, medians, and gaps
Reihe
Sprache
Verlagsort
Zielgruppe
Maße
Höhe: 229 mm
Breite: 189 mm
Dicke: 14 mm
Gewicht
ISBN-13
978-0-7356-5836-3 (9780735658363)
Schweitzer Klassifikation
Itzik Ben-Gan is a principal mentor and a founder of SolidQ. A Microsoft MVP for SQL Server since 1999, Itzik teaches and consults internationally on T-SQL querying, programming, and query tuning. He has written numerous articles for SQL Server Magazine and MSDN, and speaks at industry events such as Microsoft TechEd, DevWeek, PASS, and SQL Server Connections.
Foreword
Introduction
Chapter 1: SQL Windowing
Chapter 2: A Detailed Look at Window Functions
Chapter 3: Ordered Set Functions
Chapter 4: Optimization of Window Functions
Chapter 5: T-SQL Solutions Using Window Functions
