Advanced Database Systems - Lecture Notes
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Advanced Database Systems - Lecture Notes

Attila Dr. Adamkó

University of Debrecen, Faculty of Informatics

Copyright © 2014 Dr. Adamkó, Attila

Copyright 2014

2014

Table of Contents

I. Advanced Database Systems - Lecture Notes

1. Introduction

2. Basics of XML

Namespaces and reuseability

Valid XML documents

XML dialects: DTD and XML Schema

Information content and processing strategies

Language independent processing strategies: DOM and SAX

The fundamentals of document design

Descriptive- and data-oriented document structures
Building Blocks: Attributes, Elements and Character Data
Pitfalls

3. XML databases

Native XML databases

Schema-free native XML database collections
Indexing
Classification of XML databases based on their contents
Usage of native XML databases

Hybrid systems

Problems of the fully XML based storage layers
Relational repositories with XML wrapping layer
Hybrid repositories
Other considerations

4. XDM: the data model for XPath and XQuery

Expressions

Steps
Combining node sequences
Abbreviations
XPath 2.0 functions by categories

Basics of XQuery

Dynamic constructors

Iteration: FLWOR

Ordering
Variables
Quantified Expressions

Modifying XML documents

7. Exercises

Bibliography

List of Figures

2.1. DOM architecture
2.2. DOM modules
4.1. The XDM type hierarchy
5.1. The XPath processing model
5.2. XPath axes

List of Tables

5.1. XPath Abbreviations

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