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  • Book Overview & Buying JDBC 4.0 and Oracle JDeveloper for J2EE Development
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JDBC 4.0 and Oracle JDeveloper for J2EE Development

JDBC 4.0 and Oracle JDeveloper for J2EE Development

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JDBC 4.0 and Oracle JDeveloper for J2EE Development

JDBC 4.0 and Oracle JDeveloper for J2EE Development

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Overview of this book

Table of Contents (20 chapters)
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JDBC 4.0 and Oracle JDeveloper for J2EE Development
Credits
About the Author
About the Reviewer
Preface

Developing Hibernate Mapping and Properties Files


The Hibernate mapping file (a .hbm.xml file) and the Hibernate properties file (hibernate.properties file) form the basis of a Hibernate application. The mapping file consists of class definitions. Each class definition consists of a set of properties to be mapped to a Java class and a database table. The field/column types and additional characteristics of the columns such as length, not-null, and unique are also specified with the properties. Some of the more often used tags in the mapping file are listed in the following table:

Tag Name

Description

Attributes

Sub Elements

hibernate-mapping

The root element

schema, package

class

class

Specifies the class definition for mapping a Hibernate Java class to a database table.

table,schema

id,property,set,list

id

Required element in a class definition.

column,type,length

column,generator

property

Specifies a class property, which corresponds to a table column and a Java...

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