Oracle Database Java Developer's Guide - Oracle Documentation
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CONTENS
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Preface
Intended Audience
Documentation Accessibility
Structure
Related Documents
Conventions
1 Introduction to Java in Oracle Database
Overview of Java
Java and Object-Oriented Programming Terminology
Classes.
Objects
Interfaces
Encapsulation
Inheritance\
Polymorphism.\
Key Features of the Java Language\
The JVM
Java Class Hierarchy
Using Java in Oracle Database
Java and RDBMS: A Robust Combination\
Multithreading
Automated Storage Management With Garbage
CollectionFootprint
Performance
Dynamic Class Loading
The Oracle JVM
Process Area
The main() Method
The GUI
The IDE
Main Components of the Oracle JVM
Library Manager
Compiler
Interpreter
Class Loader
Verifier
Server-Side JDBC Internal Driver
Server-Side SQLJ Translator
Java Application Strategy of Oracle
Java in Database Application Development
Java Programming Environment
Java Stored Procedures
PL/SQL Integration and Oracle RDBMS
Functionality
JDBC Drivers
SQLJ
JPublisher
Development Tools
Desupport of J2EE Technologies in the Oracle Database
Memory Model for Dedicated Mode Sessions
What's New in this Release?
Upgrading to J2SE 1.4.2
Auditing SQL Statements Related to Java Schema
Objects
The PGA_AGGREGATE_TARGET parameter
2 Java Applications on Oracle Database
Database Sessions Imposed on Java Applications
Execution Control
Java Code, Binaries, and Resources Storage
Preparing Java Class Methods for Execution
Compiling Java Classes
Compiling Source Through javac6
Compiling Source Through loadjava
Compiling Source at Run Time
Specifying Compiler Options
Recompiling Automatically
Resolving Class Dependencies
Loading Classes
Granting Execute Rights
Controlling the Current User
Checking Java Uploads
Publishing
Auditing
User Interfaces on the Server
Shortened Class Names
Class.forName() in Oracle Database
Supply ClassLoader in Class.forName
Supply Class and Schema Names to
classForNameAndSchema
Supply Class and Schema Names to lookupClass
Supply Class and Schema Names when Serializing
iv
Class.forName Example
Managing Your Operating System Resources
Overview of Operating System Resources
Garbage Collection and Operating System
Resources
Threading in Oracle Database
Shared Servers Considerations
End-of-Call Migration
Oracle-Specific Support for End-of-Call
Optimization
The EndOfCallRegistry.registerCallback() Method
The EndOfCallRegistry.runCallbacks() Method
The Callback Interface\\
The Callback.act() method
Operating System Resources Affected Across Calls
3 Calling Java Methods in Oracle Database
Invoking Java Methods
Utilizing Java Stored Procedures
Utilizing JNI Support
Utilizing SQLJ and JDBC for Querying the
Database
JDBC
SQLJ
Example Comparing JDBC and SQLJ
Complete SQLJ Example
SQLJ Strong Typing Paradigm
Translating a SQLJ Program
Running a SQLJ Program in the Server
Converting a Client Application to Run on the
Server
Interacting with PL/SQL
Debugging Server Applications
How To Tell You Are Running on the Server
Redirecting Output on the Server
Support for Calling Java Stored Procedures Directly
Using the Native Java Interface
4 Java Installation and Configuration
Initializing a Java-Enabled Database
Configuring with Oracle Database Template
Modifying an Existing Oracle Database to Include
Oracle JVM
Configuring Oracle JVM
Using The DBMS_JAVA Package
Enabling the Java Client
Install J2SE on the Client
Set Up Environment Variables
Test Install with Samples
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