NDLI: An agent-based approach to extending the native active capability of relational database systems

Content Provider	IEEE Xplore Digital Library
Author	Lijuan Li Chakravarthy, S.
Copyright Year	1999
Description	Author affiliation: Comput. & Inf. Sci. & Eng. Dept., Florida Univ., Gainesville, FL, USA (Lijuan Li)
Abstract	Event-condition-action (or ECA) rules are used to capture active capability. While a number of research prototypes of active database systems have been built, ECA rule capability in relational DBMSs is still very limited. We address the problem of turning a traditional database management system into a full-fledged active database system without changing the underlying system. The advantages of this approach are: transparency; ability to and active capability without changing the client programs; retain relational DBMS's underlying functionality; and persistence of ECA rules using the native database functionality. We describe how complete active database semantics can be supported on an existing SQL server (Sybase, in our case) by adding a mediator, termed ECA Agent, between the SQL server and the clients. ECA rules are fully supported through the ECA Agent without changing applications or the SQL server. Composite events are detected in the ECA Agent and actions are invoked in the SQL server. Events are persisted in the native database system. ECA Agent is designed to connect to SQL server by using Sybase connectivity products. The architecture, design, and implementation details are presented.
Starting Page	384
Ending Page	391
File Size	1479758
Page Count	8
File Format	PDF
ISBN	0769500714
ISSN	10636382
DOI	10.1109/ICDE.1999.754954
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1999-03-23
Publisher Place	Australia
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Relational databases Database systems Application software Event detection Transaction databases Computer integrated manufacturing Computerized monitoring Prototypes Information science Data engineering
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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