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Pro LINQ Object Relational Mapping in C# 2008 View Larger Image | Vijay P. Mehta
Apress, Paperback, Published July 2008, 400 pages, ISBN 1590599659 | List Price: $49.99
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It is nearly impossible today to write enterprise software without the use
of one or more relational databases. Granted, there are cases when the data
is transient and not stored in a database, but for the most part, software needs
to consume and manipulate data in a database. It sounds easy, but there are
hundreds of ways to connect software systems to databases and thousands of people
who think they have the skeleton key for data access layers. Pro LINQ Object
Relational Mapping in C# 2008 explains an efficient, repeatable way to apply
industry design patterns to build scalable object–oriented data access
layers.
Object relational mapping (OR/M) has been a gray area in Microsoft development
for many years. It’s not that Microsoft language developers don’t
understand OR/M; in fact, the opposite is true, as is exemplified by the glut
of third–party .NET OR/M tools on the market. The struggle has come more
from the lack of native tools with the object–oriented and object persistence
capacity to effectively work in this arena. With the inception of .NET, Microsoft
overcame the first obstacle by developing an object–oriented environment
and framework. The second obstacle, the native object persistence layer, is
only now being realized with the introduction of Language Integrated Query (LINQ)
and LINQ’s children, the Language Integrated Query for Relational Databases
(LINQ to SQL) and the Language Integrated Query for the ADO.NET Entity Framework
(LINQ to Entities). The gray area no longer exists, and the .NET developers
of the world finally have the native tools required to build modular, reusable
data access layers.
What you'll learn
• The powerful advantages that OR/M can bring to your code
• The native tools that are now available within Visual Studio 2008 for
OR/M
• How to build scalable object–oriented data access layers that
take advantage of OR/M’s flexibility
• How LINQ fits into this picture, together with the advantages and disadvantages
that it can bring
• How the concepts work in the real world by examining a fully worked
and detailed case study, created with an architecture than can be easily applied
to a wide range of other situations
Who is this book for?
This book is intended for Microsoft .NET developers who are using or evaluating
Microsoft Visual Studio 2008 to build data–aware applications, and it
will provide patterns and resources that can be used to build enterprise class
software.
About the Apress Pro Series
The Apress Pro series books are practical, professional tutorials to keep you
on and moving up the professional ladder.
You have gotten the job, now you need to hone your skills in these tough competitive
times. The Apress Pro series expands your skills and expertise in exactly the
areas you need. Master the content of a Pro book, and you will always be able
to get the job done in a professional development project. Written by experts
in their field, Pro series books from Apress give you the hard–won solutions
to problems you will face in your professional programming career.
Table of Contents
About the Author
About the Technical Reviewer
Acknowledgments
Introduction
PART 1 Object-Relational Mapping Concepts
Chapter 1 Getting Started with Object-Relational Mapping
Chapter 2 ORM Patterns and Domain-Driven Design
PART 2 LINQ to SQL Examined
Chapter 3 Introduction to LINQ to SQL
Chapter 4 Advanced LINQ to SQL
PART 3 Entity Framework Examined
Chapter 5 Getting Started with the ADO.NET Entity Framework
Chapter 6 Using the ADO.NET Entity Framework
Chapter 7 Advanced ADO.NET Entity Framework
PART 4 The Bank of Pluto Case Study
Chapter 8 A Domain Model for the First Bank of Pluto
Chapter 9 Mapping the FBP
Chapter 10 Mapping the Bank of Pluto with the ADO.NET
Entity Framework
PART 5 Building on the Bank of
Pluto Foundation
Chapter 11 N-Tier Architecture
Chapter 12 LINQ to SQL, the Entity Framework, and Your Other Options
Index
About the Author
Vijay P. Mehta has been working as a software engineer and architect for the
last 12 years. Starting off in the VC++/ATL, MFC, Win32, and VB6 worlds, Vijay
later moved on to Java and .Net development. With his current focus on C# and
.Net, Vijay holds a number of Microsoft certifications and has written a number
of articles on .Net and Microsoft–focused development. Currently working
as an Architect for a financial services software company in Indianapolis, Vijay
spends the bulk of his time designing and implementing large, cutting-edge software
systems.
Customer Reviews
Customer Reviews: 1 Average Customer Rating: Aug 1, 2008 Techie Evan
so glad i bought this book!
The first two chapters of this book start out with a discussion of Domain-Driven Design (DDD) Principles, what Object-Relational Mapping (ORM) Tools are, the role of ORMs in DDD-informed application development, and criteria for evaluating ORM tools. Chapters Three through Seven then provide a quick tour of LINQ to SQL and ADO.Net Entity Framework (Beta 3 Version) basics. It's not until Chapter Eight that things become interesting (at least to me). After describing the functionalities that he wants to implement in the running banking application sample, the author provides plenty of code demonstrating the comparative strengths and weaknesses of the two ORM tools, potential gotchas and workarounds, lessons learned, and recommended best practices in architecting N-Tier Applications. The author's writing style is conversational, which is good most of the time, except for those few occasions when he seemed to have switched from one topic to another rather abruptly. Overall, a great book!
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