UTD CS 6V81 - Introduction to Data, Information and Knowledge Management (25 pages)

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Introduction to Data, Information and Knowledge Management



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Introduction to Data, Information and Knowledge Management

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Pages:
25
School:
The University of Texas at Dallas
Course:
Cs 6v81 - Independent Study In Computer Science Real Time Data Process In Andr
Independent Study In Computer Science Real Time Data Process In Andr Documents

Unformatted text preview:

Introduction to Data Information and Knowledge Management Dr Bhavani Thuraisingham The University of Texas at Dallas Lecture 3 Data Information and Knowledge Management January 27 2012 Introduction to Data Information and Knowledge Management Dr Bhavani Thuraisingham The University of Texas at Dallas Lecture 3 Data Information and Knowledge Management January 27 2012 Data Management Concepts in database systems Types of database systems Distributed Data Management Heterogeneous database integration Federated data management An Example Database System Application Programs Database Management System Database Adapted from C J Date Addison Wesley 1990 Users Metadata Metadata describes the data in the database Example Database D consists of a relation EMP with attributes SS Name and Salary Metadatabase stores the metadata Could be physically stored with the database Metadatabase may also store constraints and administrative information Metadata is also referred to as the schema or data dictionary Functional Architecture Data Management User Interface Manager Schema Data Dictionary Manager metadata Query Manager Security Integrity Manager Transaction Manager Storage Management File Manager Disk Manager DBMS Design Issues Query Processing Optimization techniques Transaction Management Techniques for concurrency control and recovery Metadata Management Techniques for querying and updating the metadatabase Security Integrity Maintenance Techniques for processing integrity constraints and enforcing access control rules Storage management Access methods and index strategies for efficient access to the database Types of Database Systems Relational Database Systems Object Database Systems Deductive Database Systems Other Real time Secure Parallel Scientific Temporal Wireless Functional Entity Relationship Sensor Stream Database Systems etc Relational Database Example Relation S S S1 S2 S3 S4 S5 SNAME Smith Jones Blake Clark Adams Relation SP STATUS CITY 20 London 10 Paris 30



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