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Sql Performance Explained

Author : Markus Winand
ISBN : 3950307826
Genre : Database management
File Size : 35.81 MB
Format : PDF, Kindle
Download : 791
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Category: Database management

Sql Performance Tuning

Author : Peter Gulutzan
ISBN : 0201791692
Genre : Computers
File Size : 51.31 MB
Format : PDF, ePub
Download : 478
Read : 1006

A very practical guide to making databases run faster and better. A poorly performing database application can cost each user time, and have an impact on other applications running on the same computer or the same network. This book will help DBAUs and programmers improve the performance of their databases.
Category: Computers

Relational Database Index Design And The Optimizers

Author : Tapio Lahdenmaki
ISBN : 9780471721369
Genre : Computers
File Size : 41.15 MB
Format : PDF, Mobi
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Improve the performance of relational databases with indexes designed for today's hardware Over the last few years, hardware and software have advanced beyond all recognition, so it's hardly surprising that relational database performance now receives much less attention. Unfortunately, the reality is that the improved hardware hasn't kept pace with the ever-increasing quantity of data processed today. Although disk packing densities have increased enormously, making storage costs extremely low and sequential read very fast, random reads are still painfully slow. Many of the old design recommendations are therefore no longer valid-the optimal point of indexing has come a long way. Consequently many of the old problems haven't actually gone away-they have simply changed their appearance. This book provides an easy but effective approach to the design of indexes and tables. Using lots of examples and case studies, the authors describe how the DB2, Oracle, and SQL Server optimizers determine how to access data, and how CPU and response times for the resulting access paths can be quickly estimated. This enables comparisons to be made of the various designs, and helps you choose available choices for the most appropriate design. This book is intended for anyone who wants to understand the issues of SQL performance or how to design tables and indexes effectively. With this title, readers with many years of experience of relational systems will be able to better grasp the implications that have been brought into play by the introduction of new hardware.
Category: Computers

Effective Mysql Optimizing Sql Statements

Author : Ronald Bradford
ISBN : 9780071782807
Genre : Computers
File Size : 41.5 MB
Format : PDF, Docs
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The Essential Guide to SQL Statement Optimization Written by Oracle ACE Director and MySQL expert Ronald Bradford, Effective MySQL: Optimizing SQL Statements is filled with detailed explanations and practical examples that can be applied immediately to improve database and application performances. Featuring a step-by-step approach to SQL optimization, this Oracle Press book helps you to analyze and tune problematic SQL statements. Identify the essential analysis commands for gathering and diagnosing issues Learn how different index theories are applied and represented in MySQL Plan and execute informed SQL optimizations Create MySQL indexes to improve query performance Master the MySQL query execution plan Identify key configuration variables that impact SQL execution and performance Apply the SQL optimization lifecycle to capture, identify, confirm, analyze, and optimize SQL statements and verify the results Improve index utilization with covering indexes and partial indexes Learn hidden performance tips for improving index efficiency and simplifying SQL statements
Category: Computers

Oracle Sql Tricks And Workarounds

Author : Zahar Hilkevich
ISBN : 9781463421359
Genre : Computers
File Size : 25.11 MB
Format : PDF
Download : 190
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This book introduces a relatively new approach to mastering one’s Oracle SQL skills. This book will teach you how to leverage your existing Oracle SQL knowledge as well as how you can benefit from a variety of SQL tricks and techniques we present thereafter. This is a text book rather than a reference, and it aims to teach you how to become a better SQL specialist. Even though the recommendations found in this book may be applied to a variety of SQL flavors, Oracle SQL is the main subject of this book. Our goal was not to impress you with clever tricks and sophisticated techniques, but rather give you a roadmap to excellence in writing Oracle SQL queries. No doubt, this book presents tricks and classy approaches, which still serve the main goal – to let you master your Oracle SQL skills.
Category: Computers

The Guru S Guide To Sql Server Stored Procedures Xml And Html

Author : Ken Henderson
ISBN : 0201700468
Genre : Computers
File Size : 86.87 MB
Format : PDF, Mobi
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Explores the foundations of SQL and Transact-SQL programming to teach readers how to develop coding techniques and discover solutions to programming problems, then covers practices, design considerations, and advanced topics.
Category: Computers

Expert Performance Indexing In Sql Server

Author : Jason Strate
ISBN : 9781484211182
Genre : Computers
File Size : 78.47 MB
Format : PDF, Kindle
Download : 950
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This book is a deep dive into perhaps the single-most important facet of good performance: indexes, and how to best use them. The book begins in the shallow waters with explanations of the types of indexes and how they are stored in databases. Moving deeper into the topic, and further into the book, you will look at the statistics that are accumulated both by indexes and on indexes. You’ll better understand what indexes are doing in the database and what can be done to mitigate and improve their effect on performance. The final destination is a guided tour through a number of real life scenarios showing approaches you can take to investigate, mitigate, and improve the performance of your database. Defines the types of indexes and their implementation options Provides use cases and common patterns in applying indexing Describes and explain the index metadata and statistics Provides a framework of strategies and approaches for indexing databases
Category: Computers

Sql Server 2008 Query Performance Tuning Distilled

Author : Sajal Dam
ISBN : 9781430219026
Genre : Computers
File Size : 88.60 MB
Format : PDF, Docs
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SQL Server 2008 Query Performance Tuning Distilled presents a direct trouble–shooting methodology for identifying poorly-performing stored procedures and queries, isolating the causes of that poor performance, and fixing the underlying problems. Each chapter is dedicated to one of the top causes of poorly performing queries and shows methods for identifying and dealing with the problems in that chapter’s domain. Emphasis is always put upon or placed upon practical methods that you can put to immediate use in your day–to–day work. SQL Server 2008 functionality, tips, and tricks are emphasized in each subject area. Emphasizes the practical. Does not bury readers in theory. Gives readers practical techniques to immediately apply in their daily work. Dedicates a chapter to each of the most common, performance–related problem areas. What you’ll learn Identify and fix poorly performing queries that are hurting your business. Read query execution plans and identify bottlenecks in performance. Record system performance metrics for trend analysis. Learn to design databases and write Transact–SQL code to avoid common problems. Understand what an index is, what it does, and how to build one. Use industry accepted best practices and understand how to develop your own to arrive at optimal database performance. Who this book is for SQL Server Query Performance Tuning Distilled is aimed at anyone writing business–critical Transact–SQL queries, and also at those responsible for the continued good performance of those queries. Developers, database administrators, business intelligence analysts, and any others who develop Transact–SQL queries will find this book an indispensable resource for getting the most out of what SQL Server 2008 has to offer.
Category: Computers

Sql Antipatterns

Author : Bill Karwin
ISBN : 1934356557
Genre : Computers
File Size : 72.63 MB
Format : PDF, ePub
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Illustrating some of the most common misconceptions and pitfalls software developers face using relational databases, this book helps readers use a database to produce the most efficient results, and turn sluggish, inflexible code into high-quality, reliable solutions.
Category: Computers

Database Design And Implementation

Author : Edward Sciore
ISBN : UCSC:32106019867966
Genre : Computers
File Size : 31.20 MB
Format : PDF, ePub
Download : 356
Read : 1220

* Covering the traditional database system concepts from a systems perspective, this book addresses the functionality that database systems provide as well as what algorithms and design decisions will best implement their functionality * Describes what Java tools and techniques will best help developers build an application that uses a database system * Contains a fully functional database system that allows readers to examine and modify the code
Category: Computers