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ODP.NET Developer's Guide: Oracle Database 10g Development with Visual Studio 2005 and the Oracle Data Provider for .NET
ODP.NET Developer's Guide: Oracle Database 10g Development with Visual Studio 2005 and the Oracle Data Provider for .NET

ODP.NET Developer's Guide: Oracle Database 10g Development with Visual Studio 2005 and the Oracle Data Provider for .NET: A practical guide for developers working with the Oracle Data Provider for .NET and the Oracle Developer Tools for Visual Studio 2005

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ODP.NET Developer's Guide: Oracle Database 10g Development with Visual Studio 2005 and the Oracle Data Provider for .NET

Chapter 2. Connecting to Oracle

From this chapter on, we will start programming with ODP.NET. This chapter mainly concentrates on the following:

  • Introducing the Provider-Independent Model in ADO.NET 2.0

  • Working with .NET data providers

  • Different ways to connect to Oracle database from ADO.NET 2.0

  • Connection pooling, system privileged connection, Windows authentication

Provider-Independent Model in ADO.NET 2.0

ADO.NET internally works with .NET data providers (or .NET data bridge provider) to connect to and access data from different kinds of data sources (including databases). The same data provider model existing in ADO.NET 1.1 is further enhanced in ADO.NET 2.0 (with new factory classes) to leverage the flexibility of developing database-independent applications.

What exactly is a factory class? The purpose of a factory class is to provide an interface for creating families of related objects, with or without specifying their concrete (method implementation) classes. If the factory class...

Provider-Independent Model in ADO.NET 2.0


ADO.NET internally works with .NET data providers (or .NET data bridge provider) to connect to and access data from different kinds of data sources (including databases). The same data provider model existing in ADO.NET 1.1 is further enhanced in ADO.NET 2.0 (with new factory classes) to leverage the flexibility of developing database-independent applications.

What exactly is a factory class? The purpose of a factory class is to provide an interface for creating families of related objects, with or without specifying their concrete (method implementation) classes. If the factory class is created without one or more implementations of methods, we call it as an abstract factory class.

The provider-independent programming model in ADO.NET 2.0 revolves around the classes in the System.Data.Common namespace. There are mainly two new factory classes that implement the provider-independent model (within the same namespace):

  • DbProviderFactories

  • DbProviderFactory...

Connecting to Oracle Databases from .NET


There are several ways to connect to Oracle database from within .NET. Each of those methods has its own pros and cons as described in Chapter 1. Now, we will explore the most popular methodologies to connect to Oracle database through .NET.

To connect to Oracle, we need to have proper connection descriptors configured on the system. This is usually taken care by the tnsnames.ora file. TNS stands for Transparent Network Substrate. It provides a uniform application interface to enable network applications to access the underlying network protocols. tnsnames.ora is simply a text file that provides SQL*Net with the Oracle server location and the necessary connection strings to connect to Oracle databases. This file always resides in the Oracle home's Network\Admin folder.

If the Oracle client (or SQL*Plus) is already able to connect to the Oracle database server, the tnsnames.ora file is already correctly configured and you need not disturb it. But...

Summary


In this chapter, we have reviewed the strategy of the Provider-Independent Model in ADO.NET 2.0, used this model to list installed .NET data providers and data sources, and finally developed code to connect to Oracle database from .NET using all the available methods.

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Key benefits

  • Application development with ODP.NET
  • Dealing with XML DB using ODP.NET
  • Oracle Developer Tools for Visual Studio .NET

Description

The Oracle Data Provider for .NET (ODP.NET) features optimized data access to the Oracle database from a .NET environment and allows developers to take advantage of advanced Oracle database functionality, including Real Application Clusters, XML DB, and advanced security. It can be used from any .NET language, including C# and VB.NET.This book is a practical guide that will give you the in-depth information you need to work with the Oracle 10g v10.2 database from Visual Studio .NET 2005, using the Oracle Developer Tools and ODP.NET. After introducing ODP.NET, we move on to dealing with SQL, PL/SQL, and XML DB using ODP.NET. Next we look at application development with ODP.NET: Web Applications, Web Services, and Mobile Applications. The last chapter covers Oracle Developer Tools for Visual Studio .NET. All the code examples are in Visual Basic.NET 2005. http://www.packtpub.com/article/ODP-dot-net-oracle-data-provider-table-of-conten - Read the full Table of Contents for ODP.NET Developer's Guide Chapter-by-Chapter Chapter 1 introduces the concept of Oracle Database Extensions for .NET and provides information about Oracle Developer tools for Visual Studio. Chapter 2 introduces the Provider Independent Model in ADO.NET 2.0, and shows how to connect to Oracle databases from .NET, working with .NET data providers, connection pooling, system privileged connection, and single sign-on etc. Chapter 3 shows you several methods to retrieve data from an Oracle database. You will work with the core ODP.NET classes like OracleCommand, OracleDataReader, OracleDataAdapter, OracleParameter and ADO.NET classes like Dataset, DataTable, and DataRow etc. Chapter 4 is about inserting, updating, and deleting data in the database. You will also learn about statement caching, array binding, working with offline data, implementing transactions, and handling errors and exceptions encountered during database work. Chapter 5 deals with working with PL/SQL blocks, PL/SQL stored procedures, and functions. It also teaches you how to execute routines in PL/SQL packages, how to pass and receive arrays from the Oracle database, and working with REF CURSOR using ODP.NET. Chapter 6 is completely dedicated to dealing with Large objects in Oracle. This chapter illustrates concepts, configurations, and programming for BFILE, BLOB, and CLOB (or NCLOB) in conjunction with ODP.NET. Chapter 7 gives details about Oracle XML DB, an add-on feature of Oracle database. It provides information about generating XML from existing rows in tables, manipulating rows in a table using XML, and working with native XML in the Oracle database. Chapter 8 deals with real-time application development scenarios like Oracle database change notifications, Asynchronous Application development, Web Application development using ASP.NET 2.0, Web Reporting (including grouping, sub-totals, charts etc.), Object-Oriented Development with ODP.NET and ASP.NET, XML Web Services development using ODP.NET and Smart Device Application development (for clients like the Pocket PC etc.). Chapter 9 introduces you to Oracle Developer Tools for Visual Studio 2005. It teaches you to connect to Oracle from the Visual Studio 2005 environment, retrieve Oracle information from Visual Studio, and work with database objects from Visual Studio. It also provides information about how to create and debug PL/SQL stored procedures and .NET CLR Stored Procedures in Oracle.

Who is this book for?

The book is written for professional .NET developers who need to work with and take full advantage of Oracle Database 10g using Visual Studio 2005. Developers are expected to be familiar with Visual Basic.NET 2005 and have minimum knowledge of Oracle SQL and PL/SQL.Buy ODP.NET Developer's Guide: Oracle Database 10g Development with Visual Studio 2005 and the Oracle Data Provider for .NET

What you will learn

  • Different ways of Connecting to Oracle databases using ODP.NET (including Single Sign-on)
  • Executing SQL queries and commands using ODP.NET
  • Working with PL/SQL blocks, stored procedures, stored functions, packages, and REF CURSORs
  • Working with Large Objects like BFILE, BLOB, and CLOB using ODP.NET
  • Working with XML and XMLDB
  • Application development using ODP.NET
  • Database change notifications and Asynchronous programming
  • Developing Web Applications using ASP.NET and ODP.NET
  • Reporting (including charts) using ASP.NET and ODP.NET
  • Developing XML Web Services using ODP.NET
  • Developing applications for Smart Client devices (like Pocket PC)
  • Using Oracle Developer Tools for Visual Studio 2005
  • Creating and debugging PL/SQL stored procedures from Visual Studio 2005
  • Creating and Deploying .NET CLR stored procedures in Oracle database using Visual Studio 2005
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Publication date, Length, Edition, Language, ISBN-13
Publication date : Jun 25, 2007
Length: 328 pages
Edition : 1st
Language : English
ISBN-13 : 9781847191960
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Product Details

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Length: 328 pages
Edition : 1st
Language : English
ISBN-13 : 9781847191960
Vendor :
Oracle
Languages :

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Table of Contents

9 Chapters
Introduction to ODP.NET Chevron down icon Chevron up icon
Connecting to Oracle Chevron down icon Chevron up icon
Retrieving Data from Oracle Using ODP.NET Chevron down icon Chevron up icon
Manipulating Data in Oracle Using ODP.NET Chevron down icon Chevron up icon
Programming ODP.NET with PL/SQL Chevron down icon Chevron up icon
Dealing with Large Objects (LOBs) Chevron down icon Chevron up icon
XML and XML DB Development with ODP.NET Chevron down icon Chevron up icon
Application Development Using ODP.NET Chevron down icon Chevron up icon
Introduction to Oracle Developer Tools for Visual Studio 2005 Chevron down icon Chevron up icon

Customer reviews

Rating distribution
Full star icon Full star icon Full star icon Full star icon Half star icon 4.6
(5 Ratings)
5 star 80%
4 star 0%
3 star 20%
2 star 0%
1 star 0%
68DC Jan 05, 2014
Full star icon Full star icon Full star icon Full star icon Full star icon 5
I purchased the book after reading the review and it has met all my expectations, I bought the book used and it was in like new condition.
Amazon Verified review Amazon
Vijay Oct 15, 2012
Full star icon Full star icon Full star icon Full star icon Full star icon 5
Wow, this was a life saver for me in my new job where the client is using oracle with VB.Net....Thanks
Amazon Verified review Amazon
Vamseedhar R. Sane Apr 05, 2008
Full star icon Full star icon Full star icon Full star icon Full star icon 5
Oracle Database 10g Development with Visual Studio 2005 and the Oracle Data Provider for .NET is a book written by Jagadish Chatarji Pulakhandam and Sunitha Paruchuri although their name is relatively unknown, they have been working in the IT field for more than a decade. Their specific experience in Oracle has also been extensive and this book has shown their expertise on the field. Although unrelated, their management experience in web development has also led them to observe the general practice of web development from a distance and write generalizations about application development.The book is divided into nine chapters, each of them discussing a specific topic developed in stages. The book starts out with simple concepts and slowly builds up by providing additional concepts for application development.ODP.NET Developer's Guide: Oracle Database 10g Development with Visual Studio 2005 and the Oracle Data Provider for .NET is a very simple book smartly written for budding developers who wanted to know more about ODT.NET. Every aspect of database management is shown in this book. Each function in ODB.NET is discussed with the actual coding so that developers will have the first hand understanding regarding the specific function.The developers are also given a glimpse of a quick review of ODP.NET's integration with Visual Studio 2005. Although it is not extensively discussed, the information provided is the very basics that it could be translated to other scenarios easily.Because of the outline behind ODP.NET and the philosophy that works with Visual Studio 2005 is efficiently discussed, the ODP.NET Developer's Guide: Oracle Database 10g Development with Visual Studio 2005 and the Oracle Data Provider for .NET is a good book for any developer to start with. Anyone who wants to start developing an application should check this book as a great reference. Even those who are already experienced but need to brush up on their basics will also re-learn things through this book.
Amazon Verified review Amazon
Andrzej Pyka Nov 10, 2017
Full star icon Full star icon Full star icon Full star icon Full star icon 5
I was completely new to VB.Net and needed to build an application based on Oracle database as the back end.This book got me going in no time at all, with the use of Oracle.ManagedDataAccess library. A great little book!
Amazon Verified review Amazon
Selahattin Karadogan Dec 03, 2008
Full star icon Full star icon Full star icon Empty star icon Empty star icon 3
I read all of the book.There are some missing parts of the book.1.There almost no object oriented example(actually only 1) example in the book2.Creating reports using Oracle &asp.net &crystal report is missing.There is no parametric report example which using OracleDate datatype.Since using of this datatype is problematic.If you using the date in the format of 'dd/mm/yyyy' ,you will get error.There is no solution to this problem.
Amazon Verified review Amazon
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