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BEA AquaLogic Data Services Platform 2.1 Documentation
> Concepts Guide
Concepts Guide
Introducing BEA AquaLogic Data Services Platform
The Extraordinary Cost of Information Fragmentation
What is a 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 Data Services Platform
Data Services Platform Architecture
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
Data Updates
Performance and Caching
Overview
Query Optimization
Caching
Securing Enterprise Data
Ensuring Data Security
Securing Data Services Platform Resources
Understanding Security Policies