The definitive guide to db4o
APress, Jun 15, 2006 - Computers - 484 pages
To satisfy the demand for 24/7 information access, applications available in airport and conference kiosks, and in the mobile, gaming, and medical industries, provide consumers data access wherever they are. But its essential that fast availability not be traded for quality performance. A prominent solution for managing the data in these applications and devices is db4othe open source object database native to the Java and .NET platforms. Highly reliable and scalable, db4o cuts down on development time by smoothly integrating into the system, cutting out the otherwise costly object-relational mapping typical of larger applications. The Definitive Guide to db4ois the first book to comprehensively cover this project in detail. You will learn about all relevant topics, including installing and configuring db4o, querying and managing objects, performing transactions, and replicating data. To aid newcomers to the topic, early chapters cover object database fundamentals, as well as technical considerations and migration strategies. The book is complete with numerous C# and Java examples, so youll be able to follow along regardless of your chosen language.
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e?3 Introduction and Concepts CHAPTER 1 Introduction to db4o
Comparing the Object and Relational Data Models
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_name activation depth Address object application array ASP.NET C# and Java callback CasualEmployee Chapter client client/server mode column com.db4o configuration constraint constructor container costCode create Customer object data model database file DAVA DAVA package db.Set(new db4o database db4o server db4objects default defined delete developers embedded Employee object encryption example Expert field foreign key Hibernate HSQLDB implements interface JDBC LoginManager look Manager mapping method MySQL Native Queries null object data model object database object graph object model object-oriented object-relational mapping ObjectContainer ObjectContainer db ObjectManager ObjectServer ObjectSet results ODMG output password performance persistence Person objects Project provides public boolean public class public String public void RDBMS relational database relational model relationships replication retrieve schema semaphore simple specified stored object String name tables transaction update UUIDs XTEA