Download CS3311 – Advanced Database Systems

COMP30311: Advanced
Database Systems
Norman Paton
University of Manchester
[email protected]
Basic Approach - 1
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Lectures [16]:
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Set the scene.
Set the pace.
Point to details.
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Handouts:
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Tutorials [6]:
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Explore the details.
Test understanding.
Slides.
Supplementary
material:
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Examples.
Manuals.
Tutorial sheets.
Solutions.
Basic Approach - 2
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Lectures and Slides:
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Do not contain all relevant material.
You need to do additional reading.
Tutorials:
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Are an integrated part of the module.
Will be a loss to you if you don’t try them
out in advance.
Module Contents - 1
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Introduction/motivation:
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Module contents.
Why there is more to databases than SQL92 and ER modelling.
Programming relational databases:
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JDBC.
SQL Extensions.
Triggers.
Module Contents - 2
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Object Databases:
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Object models for databases.
Java Data Objects.
Semistructured Data Management:
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Semistructured data models and XML.
Querying XML documents in XPath/XQuery.
XML Databases.
Module Contents - 3
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Multimedia Databases:
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Multimedia data storage and management.
Content-based querying and retrieval.
Meta-data generation and use.
Staff
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Norman Paton:
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Programming relational databases.
Object databases.
Semistructured Data Management.
Goran Nenadic:
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Multimedia Databases.
Approach to Topics
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For each concept there will be:
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Issues and principles.
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e.g. Impedance mismatches.
Some concrete examples.
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e.g. JDBC, PL/SQL.
Fundamentals of Databases
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The fundamentals certainly include:
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The relational model and SQL.
Database design.
Architectures.
Transactions.
Some knowledge of each of these is
assumed in this module.
Advanced Database Drivers
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Advanced applications.
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Technological developments.
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Sciences, environment, ...
Networks, architectures, ...
Technological fashions.
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Objects, XML, ...
Advanced Applications
Some applications map
more easily to relations
than others
DBMS Capability
Spatial Data Example
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Storage Options:
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Geographical Information
System.
SQL-92 Relational
Database.
Relational Database with
Spatial Data Types.
Object Database.
XML Repository using
GML.
Operations on Spatial Data
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Vector operations:
1.
2.
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Region
Region
Region
Region
intersects
-> Boolean
intersection
-> Region
Not easy to
express in SQL!
Not necessarily
efficient over
tables.
1.
true
2.
Database Extensions
Advanced Databases may
reduce problems mapping
functionality
DBMS Extension-2
DBMS Extension-1
DBMS Capability
Directions for Evolution
Functionality
Performance
Distribution
Functionality Extensions
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Data models:
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Object models.
Temporal models.
Type extensions: multimedia, spatial, ...
Behavioural:
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Enhanced database languages.
Active rules.
Data warehouses.
Performance Enhancements
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Parallel databases.
Main-memory databases.
Specialised storage structures.
Distribution
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Distributed databases.
Data warehouses.
Mobile databases.
Distributed Data Management is covered in:
COMP37332 Data Integration and Analysis
This Module Covers
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Various Functional Extensions:
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Programming relational databases.
Object databases.
XML databases.
Multimedia databases.
What we don’t do
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Database theory.
Data warehouses.
Data mining.
How database systems work.
Advanced data modelling.
Database administration.
Spatial databases.
Advanced transaction models.
Further Reading
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M. Piattini, O Diaz (eds), Advanced
Database Technology and Design,
Artech Press, 2000 [Chapter 1:
Evolution and Trends of Database
Technology].