XQuery Developer's Guide

Introducing the Data Services Platform XQuery Engine

XML and XQuery

XQuery Use in Data Services Platform

Supported XQuery Specifications

Learning More About the XQuery Language

BEA's XQuery Implementation

BEA XQuery Function Implementation

Function Overview

Access Control Functions

Duration, Date, and Time Functions

Execution Control Functions

Numeric Functions

Other Functions

QName Functions

Sequence Functions

String Functions

Unsupported XQuery Functions

Implementation-Specific Functions and Operators

BEA XQuery Language Implementation

XQuery Language Support (and Unsupported Features)

Extensions to the XQuery Language in the DSP XQuery Engine

Implementation-Defined Values for XQuery Language Processing

XQuery Engine and SQL

Introduction

Base and Core RDBMS Support

How it Works—XQuery Engine's Support for SQL

XQuery-SQL Data Type Mappings

SQL Pushdown: Performance Optimization

Common Query Patterns

Grouping and Aggregation

Direct SQL Data Services and Pushdown

Distributed Query Pushdown

Preventing SQL Pushdown

Understanding XML Namespaces

Introducing XML Namespaces

Exploring XML Schema Namespaces

Using XML Namespaces in Data Services Platform Queries and Schemas

Best Practices Using XQuery

Introducing Data Service Design

Understanding Data Service Design Principles

Applying Data Service Implementation Guidelines

Understanding Data Services Platform Annotations

XDS Annotations

General Properties

Data Access Properties

Target Type Properties

Key Properties

Relationship Properties

Update Properties

Security Properties

Function Annotations

General Properties

UI Properties

Cache Properties

Behavioral Properties

Signature Properties

Native Properties

XFL Annotations

General Properties

Data Access Properties

Annotations Reference

XML Schema for Annotations

XQuery-SQL Mapping Reference

IBM DB2/NT 8

Data Type Mapping

Function and Operator Pushdown

Cast Operation Pushdown

Other SQL Generation Capabilities

Microsoft SQL Server 2000

Data Type Mapping

Function and Operator Pushdown

Cast Operation Pushdown

Other SQL Generation Capabilities

Oracle 8.1.x

Data Type Mapping

Function and Operator Pushdown

Cast Operation Pushdown

Other SQL Generation Capabilities

Oracle 9.x, 10.x

Data Type Mapping

Function and Operator Pushdown

Cast Operation Pushdown

Other SQL Generation Capabilities

Pointbase 4.4 (and higher)

Data Type Mapping

Function and Operator Pushdown

Cast Operation Pushdown

Other SQL Generation Capabilities

Sybase 12.5.2 (and higher)

Data Type Mapping

Function and Operator Pushdown

Cast Operation Pushdown

Other SQL Generation Capabilities

Base (Generic) RDBMS Support

Database Capabilities Information

Data Type Mapping

Function and Operator Pushdown

Cast Operation Pushdown

Other SQL Generation Capabilities