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《SQL应用重构》(Refactoring Sql Applications)文字版[PDF]

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  • 摘要:
    图书分类软件
    出版社O'Reilly Media
    发行时间2008年08月22日
    语言英文
  • 时间: 2012/03/09 00:11:15 发布 | 2012/03/09 14:42:08 更新
  • 分类: 图书  计算机与网络 

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中文名SQL应用重构
原名Refactoring Sql Applications
图书分类软件
资源格式PDF
版本文字版
出版社O'Reilly Media
书号ISBN: 9780596514976
发行时间2008年08月22日
地区美国
语言英文
简介


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内容简介

What can you do when database performance doesn't meet expectations? Before you turn to expensive hardware upgrades to solve the problem, reach for this book. Refactoring SQL Applications provides a set of tested options for making code modifications to dramatically improve the way your database applications function. Backed by real-world examples, you'll find quick fixes for simple problems, in-depth answers for more complex situations, and complete solutions for applications with extensive problems.

Learn to:
Determine if and where you can expect performance gains
Apply quick fixes, such as limiting calls to the database in stored functions and procedures
Refactor tasks, such as replacing application code by a stored procedure, or replacing iterative, procedural statements with sweeping SQL statements
Refactor flow by increasing parallelism and switching business-inducted processing from synchronous to asynchronous
Refactor design using schema extensions, regular views, materialized views, partitioning, and more
Compare before and after versions of a program to ensure you get the same results once you make modifications

Refactoring SQL Applications teaches you to recognize and assess code that needs refactoring, and to understand the crucial link between refactoring and performance. If and when your application bogs down, this book will help you get it back up to speed.

作者简介

Stephane Faroult
Stephane Faroult first discovered relational databases and the SQL language back in 1983. He joined Oracle France in their early days (after a brief spell with IBM and a bout of teaching at the University of Ottawa) and soon developed an interest in performance and tuning topics. After leaving Oracle in 1988, he briefly tried to reform and did a bit of operational research, but after one year, he succumbed again to relational databases. He has been continuously performing database consultancy since then, and founded RoughSea Ltd in 1998.

Pascal L'Hermite
Pascal L'Hermite has been working with relational databases in OLTP, production and development environments on Oracle Databases for the past 12 years and on Microsoft SQL Server for the past 5 years.

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目录

Chapter 1 Assessment
A Simple Example
Assessing Possible Gains
Chapter 2 Sanity Checks
Statistics and Data Skewness
Indexing Review
Parsing and Bind Variables
Bulk Operations
Transaction Management
Chapter 3 User Functions and Views
User-Defined Functions
Views
Chapter 4 Testing Framework
Generating Test Data
Comparing Alternative Versions
Chapter 5 Statement Refactoring
Execution Plans and Optimizer Directives
Analyzing a Slow Query
Refactoring the Query Core
Rebuilding the Initial Query
Chapter 6 Task Refactoring
The SQL Mindset
Restructuring the Code
Chapter 7 Refactoring Flows and Databases
Reorganizing Processing
Shaking Foundations
Chapter 8 How It Works: Refactoring in Practice
Can You Look at the Database?
Queries of Death
All These Fast Queries
No Obvious Very Wrong Query
Time to Conclude
Appendix Scripts and Sample Programs
Chapter 1
Chapter 2
Chapter 3
Chapter 4
Chapter 5
Chapter 6
Chapter 7 (MySQL)
Appendix Tools
mklipsum and lipsum
Roughbench

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