Data Services Developer's Guide

Introduction to Data Services

Data Services and the Enterprise

Data Access Integration Architecture

Liquid Data Applications and Projects

Liquid Data: Roles and Responsibilities

Liquid Data: Typical Development Process

Examples, Samples, and Tutorials

Liquid Data Projects and Components

Liquid Data-Enabled BEA WebLogic Projects

Creating a Liquid Data-enabled Application

Adding a Liquid Data Project to an Existing BEA WebLogic Application

Major Components of a Liquid Data Project

Using the Workshop IDE

Survey of Liquid Data Additions to Workshop

Building and Deploying Applications, EARs, and SDO Mediator Clients

Building and Deploying Applications

Deploying Your Application

Creating the SDO Mediator API

Obtaining Enterprise Metadata

Creating Data Source Metadata

Creating Metadata From Relational Sources

Importing Relational Table and View Metadata

Importing Stored Procedure-Based Metadata

Using SQL to Import Metadata

Importing Web Services Metadata

Importing Java Function Metadata

Importing Delimited File Metadata

Importing XML Document Metadata

Updating Data Source Metadata

Considerations When Updating Source Metadata

Using the Update Source Metadata Wizard

Archival of Source Metadata

Using Data Services Design View

Data Services in the Enterprise

Physical and Logical Data Services

Data Service Functions

Data Service Design View Components

XML Types and Return Types

Creating a Data Service

Adding a Function to Your Data Service

Adding a Relationship to Your Data Service

Working with XML Types

Creating an XML Type

Managing Your Data Service

Setting Update Options

Notable Data Service Properties

Modeling Data Services

Model-Driven Data Services

Logical and Physical Data Models

Rules Governing Model Diagrams

Building a Simple Model Diagram

Displaying Relationships Automatically

Generated Relationship Declarations in Source View

Modeling Logical Data

Building Data Service Relationships in Models

Direction, Role, and Relationships

Working with Model Diagrams

Model Right-click Menu Options

Creating Relationships in Model Diagrams

Locating Data Services in Large Model Diagrams

Generating Reports on Your Models

Zoom Mode

Editing XML Types in Model Diagrams

How Changes to Data Services and Data Sources Can Impact Models

How Metadata Update Can Affect Models

Using Query Editor View

Purpose of the XQuery Editor

Data Source Representations

XQuery Editor Options

Creating a New Data Service and an XQuery Function

Key Concepts of Query Function Building

Data Sources

Source Schemas and Return Types

XQuery Editor Components

Setting Conditions

Setting Expressions

Managing Query Components

Working With Data Representations and Return Type Elements

Mapping to Return Types

Modifying a Return Type

Testing Query Functions and Viewing Query Plans

Running Queries Using Test View

Using Test View

Limiting Array Results

Starting Client Transaction Option

Disregarding a Running Query

Reviewing Query Performance

Analyzing Queries Using Plan View

Analyzing a Sample Query

Working With Your Query Plan

Reviewing Query Performance

Using Source View

What is Source View?

XQuery Support

Using Source View

Finding Text

Code Editing Features