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The Data Access Handbook John Goodson

The Data Access Handbook By John Goodson

The Data Access Handbook by John Goodson

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The Data Access Handbook Summary

The Data Access Handbook: Achieving Optimal Database Application Performance and Scalability by John Goodson

The Data Access Handbook

Achieving Optimal Database Application Performance and Scalability

John Goodson * Robert A. Steward

Drive breakthrough database application performance by optimizing middleware and connectivity

Performance and scalability are more critical than ever in today's enterprise database applications, and traditional database tuning isn't nearly enough to solve the performance problems you are likely to see in those applications. Nowadays, 75-95% of the time it takes to process a data request is typically spent in the database middleware. Today's worst performance and scalability problems are generally caused by issues with networking, database drivers, the broader software/hardware environment, and inefficient coding of data requests. In The Data Access Handbook, two of the world's leading experts on database access systematically address these issues, showing how to achieve remarkable improvements in performance of real-world database applications.

Drawing on their unsurpassed experience with every leading database system and database connectivity API, John Goodson and Rob Steward reveal the powerful ways middleware affects application performance and guide developers with designing and writing API code that will deliver superior performance in each leading environment. In addition to covering essential concepts and techniques that apply across database systems and APIs, they present many API examples for ODBC, JDBC, and ADO.NET as well as database system examples for DB2, Microsoft SQL Server, MySQL, Oracle, and Sybase.

Coverage includes

  • Clearly understanding how each component of database middleware can impact performance and scalability
  • Writing database applications to reduce network traffic, limit disk I/O, optimize application-to-driver interaction, and simplify queries-including examples for ODBC, JDBC, and ADO.NET
  • Managing connections, transactions, and SQL statement execution more efficiently
  • Making the most of connection and statement pooling
  • Writing good benchmarks to predict your application's performance
  • Systematically resolving performance problems-including eight start-to-finish case-study examples

If you're a software architect, system designer, or database application developer, The Data Access Handbook will be your most indispensable database application performance resource. It's the one book that focuses on the areas where you can achieve the greatest improvements-whether you're designing new database applications or troubleshooting existing ones.

John Goodson is vice president and general manager of the DataDirect division of Progress Software, a leader in
data connectivity and mainframe integration. For 20 years, he has worked with Sun, Microsoft, and others to develop database connectivity standards such as J2EE, JDBC, ODBC, and ADO. He served on the ANSI H2 committee that built the SQL standard and now participates in the JDBC Expert Group and Java Rowsets standards committees.

Rob Steward, vice president of R&D at the DataDirect
division of Progress Software,
is responsible for the development, strategy, and oversight of the company's data connectivity products. Rob has spent the past 15 years developing high-performing database driver and data providers, including ODBC, JDBC, and ADO.NET.

Both authors have spoken on database application performance at many industry events.

Visit www.dataaccesshandbook.com to get the code examples presented in this book and other supplemental information for DB2, MicrosoftSQL Server, MySQL, Oracle, and Sybase.

About John Goodson

John Goodson: As the executive leader of DataDirect Technologies, John is responsible for daily operations, business development, product direction, and long-term corporate strategy.

John was a principal engineer at Data General for seven years, working on their relational database product, DG/SQL. Since joining DataDirect Technologies in 1992, he has held positions of increasing responsibility in research and development, technical support, and marketing. John is a well-known and respected industry luminary and data connectivity expert. For more than 15 years, he has worked closely with Sun Microsystems and Microsoft on the development and evolution of database connectivity standards including J2EE, JDBC, .NET, ODBC, and ADO. John has been involved with the ANSI NCITS H2 Committee, which is responsible for building the SQL standard, and the X/Open (Open Group) SQL Access Group, which is responsible for building call-level interfaces into relational databases. He is actively involved in Java standards committees, including the JDBC Expert Group. In addition, John has published numerous articles and spoken publicly on topics related to data management. John is also a patent holder in the area of distributed transactions for Microsoft SQL Server Java middleware.

John holds a Bachelor of Science in computer science from Virginia Polytechnic Institute and State University in Blacksburg,Virginia.

Rob Steward: As vice president of research and development for DataDirect Technologies, Rob is responsible for the development, strategy, and oversight of the company's data connectivity products, including the Shadow mainframe integration suite client software and the industry-leading DataDirect Connect family of database drivers and data providers: Connect for ODBC, Connect for JDBC, and Connect for ADO.NET. Additional product development responsibilities include DataDirect Sequelink and DataDirect XQuery, as well as the management of DataDirect's Custom Engineering Development group.

Rob has spent more than 15 years developing database access middleware, including .NET data providers, ODBC drivers, JDBC drivers, and OLE DB data providers. He has held a number of management and technical positions at DataDirect Technologies and serves on various standards committees. Earlier in his career, he worked as lead software engineer at Marconi Commerce Systems Inc.

Rob holds a Bachelor of Science in computer science from North Carolina State University, Raleigh.

Table of Contents

Preface

CHAPTER 1 Performance Isn't What It Used To Be

Where Are We Today?

The Network

The Database Driver

The Environment

Your Database Application

Our Goal for This Book

CHAPTER 2 Designing for Performance: What's Your Strategy?

Your Applications

Database Connections

Transaction Management

SQL Statements

Data Retrieval

Extended Security

Static SQL Versus Dynamic SQL

The Network

The Database Driver

Know Your Database System

Using Object-Relational Mapping Tools

Summary

CHAPTER 3 Database Middleware: Why It's Important

What Is Database Middleware?

How Database Middleware Affects Application Performance

Database Drivers

What Does a Database Driver Do?

Database Driver Architecture

Runtime Performance Tuning Options

Configuring Database Drivers/Data Providers

Summary

CHAPTER 4 The Environment: Tuning for Performance

Runtime Environment (Java and .NET)

JVM

.NET CLR

Operating System

Network

Database Protocol Packets

Network Packets

Configuring Packet Size

Analyzing the Network Path

Reducing Network Hops and Contention

Avoiding Network Packet Fragmentation

Increasing Network Bandwidth

Hardware

Memory

Disk

CPU (Processor)

Network Adapter

Virtualization

Summary

CHAPTER 5 ODBC Applications: Writing Good Code

Managing Connections

Connecting Efficiently

Using Connection Pooling

Establishing Connections One at a Time

Using One Connection for Multiple Statements

Obtaining Database and Driver Information Efficiently

Managing Transactions

Managing Commits in Transactions

Choosing the Right Transaction Model

Executing SQL Statements

Using Stored Procedures

Using Statements Versus Prepared Statements

Using Arrays of Parameters

Using the Cursor Library

Retrieving Data

Retrieving Long Data

Limiting the Amount of Data Retrieved

Using Bound Columns

Using SQLExtendedFetch Instead of SQLFetch

Determining the Number of Rows in a Result Set

Choosing the Right Data Type

Updating Data

Using SQLSpecialColumns to Optimize Updates and Deletes

Using Catalog Functions

Minimizing the Use of Catalog Functions

Avoiding Search Patterns

Using a Dummy Query to Determine Table Characteristics

Summary

CHAPTER 6 JDBC Applications: Writing Good Code

Managing Connections

Connecting Efficiently

Using Connection Pooling

Establishing Connections One at a Time

Using One Connection for Multiple Statements

Disconnecting Efficiently

Obtaining Database and Driver Information Efficiently

Managing Transactions

Managing Commits in Transactions

Choosing the Right Transaction Model

Executing SQL Statements

Using Stored Procedures

Using Statements Versus Prepared Statements

Using Batches Versus Prepared Statements

Using getXXX Methods to Fetch Data from a Result Set

Retrieving Auto-Generated Keys

Retrieving Data

Retrieving Long Data

Limiting the Amount of Data Retrieved

Determining the Number of Rows in a Result Set

Choosing the Right Data Type

Choosing the Right Cursor

Updating Data

Using Positioned Updates, Inserts, and Deletes (updateXXX Methods)

Using getBestRowIdentifier() to Optimize Updates and Deletes

Using Database Metadata Methods

Minimizing the Use of Database Metadata Methods

Avoiding Search Patterns

Using a Dummy Query to Determine Table Characteristics

Summary

CHAPTER 7 .NET Applications: Writing Good Code

Managing Connections

Connecting Efficiently

Using Connection Pooling

Establishing Connections One at a Time

Disconnecting Efficiently

Obtaining Database and Data Provider Information Efficiently

Managing Transactions

Managing Commits in Transactions

Choosing the Right Transaction Model

Executing SQL Statements

Executing SQL Statements that Retrieve Little or No Data

Using the Command.Prepare Method

Using Arrays of Parameters/Batches Versus Prepared Statements

Using Bulk Load

Using Pure Managed Providers

Selecting .NET Objects and Methods

Avoiding the CommandBuilder Object

Choosing Between a DataReader and DataSet Object

Using GetXXX Methods to Fetch Data from a DataReader

Retrieving Data

Retrieving Long Data

Limiting the Amount of Data Retrieved

Choosing the Right Data Type

Updating Data

Summary

CHAPTER 8 Connection Pooling and Statement Pooling

Connection Pool Model for JDBC

Configuring Connection Pools

Guidelines

Connection Pool Model for ODBC

Connection Pooling as Defined in the ODBC Specification

Configuring Connection Pools

Guidelines

Connection Pool Model for ADO.NET

Configuring Connection Pools

Guidelines

Using Reauthentication with Connection Pooling

Configuring Connection Pooling with Reauthentication in a JDBC Environment

Using Statement Pooling

Using Statement Pooling with Connection Pooling

Guidelines

Summary: The Big Picture

CHAPTER 9 Developing Good Benchmarks

Developing the Benchmark

Define Benchmark Goals

Reproduce the Production Environment

Isolate the Test Environment

Reproduce the Workload

Measure the Right Tasks

Measure over a Sufficient Duration of Time

Prepare the Database

Make Changes One at a Time

Assess Other Factors

Benchmark Example

Summary

CHAPTER 10 Troubleshooting Performance Issues

Where to Start

Changes in Your Database Application Deployment

The Database Application

The Database Driver

Runtime Performance Tuning Options

Architecture

The Environment

Runtime Environment (Java and .NET)

Operating System

Network

Hardware

Case Studies

Case Study 1

Case Study 2

Case Study 3

Case Study 4

Case Study 5

Case Study 6

Case Study 7

Case Study 8

Summary

CHAPTER 11 Data Access in Service-Oriented Architecture (SOA) Environments

What Is Service-Oriented Architecture (SOA)?

Data Access Guidelines for SOA Environments

Involve Data Experts in Addition to SOA Experts

Decouple Data Access from Business Logic

Design and Tune for Performance

Consider Data Integration

Summary

Glossary

0137143931 TOC 2/19/2009

Additional information

CIN0137143931VG
9780137143931
0137143931
The Data Access Handbook: Achieving Optimal Database Application Performance and Scalability by John Goodson
John Goodson
Used - Very Good
Paperback
Pearson Education (US)
20090416
360
N/A
Book picture is for illustrative purposes only, actual binding, cover or edition may vary.
This is a used book - there is no escaping the fact it has been read by someone else and it will show signs of wear and previous use. Overall we expect it to be in very good condition, but if you are not entirely satisfied please get in touch with us

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