Microsoft SQL Server 2012 High-Performance T-SQL Using Window Functions (Paperback)

Itzik Ben-Gan

  • 出版商: MicroSoft
  • 出版日期: 2012-04-25
  • 售價: $1,300
  • 貴賓價: 9.5$1,235
  • 語言: 英文
  • 頁數: 248
  • 裝訂: Paperback
  • ISBN: 0735658366
  • ISBN-13: 9780735658363
  • 相關分類: MSSQLSQL

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商品描述

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