Concepts Guide

Introducing BEA AquaLogic Data Services Platform

The Extraordinary Cost of Information Fragmentation

What is a AquaLogic Data Services Platform?

Data Services and a Service-Oriented Architecture

Role of Data Services

Modeling the Enterprise

Implementing Data Services

Data Consumers

Life Cycle of a Data Service-Oriented Development Project

Data Service Development Roles

Additional Technical and Product Information

Architecture

WebLogic Platform and AquaLogic Data Services Platform

AquaLogic Data Services Platform Architecture

AquaLogic Data Services Platform Components

Unifying Information with Data Services

What is a Data Service?

Understanding Data Service Functions

Data Service Transformations

The Role of XQuery

Advertising and Maintaining Data Services with Metadata

Modeling and a Service-Oriented Architecture

The Role of the Model

Modeling Data Services

Modeling Data Using XML Types

Using Service Data Objects (SDO)

Introducing Service Data Objects

Getting Data Objects

An Initial Look at SDO Programming

Updating Data

Data Service Mediator

The Decomposition Process

Physical Data Service Update Process

Logical Data Service Update Process

Primary-Foreign Key Relationships Mapped Using a KeyPair

Managing Key Dependencies

Foreign Keys

Transaction Management

Nested Transactions

Performance and Caching

Overview

Query Optimization

Caching

Securing Enterprise Data

Ensuring Data Security

Securing AquaLogic Data Services Platform Resources

Understanding Security Policies