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Object Oriented Databases

Object Oriented Databases. Abhishek Khanolkar. Agenda: . Service and SOA. Object oriented Databases. Different Architectures MOCHA,SODA. Compare. Conclusion. Questions?. Services? . In everyday life Cooking, hairdressing and cleaning.

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Object Oriented Databases

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  1. Object Oriented Databases Abhishek Khanolkar

  2. Agenda: • Service and SOA. • Object oriented Databases. • Different Architectures MOCHA,SODA. • Compare. • Conclusion. • Questions?

  3. Services? • In everyday life Cooking, hairdressing and cleaning. • Something that adds value to the inputs and gives an output. • A service is an encapsulated method. • Service could be used to insert and retrieve data from database.

  4. Web Service and SOA. • Web Service enable machine to machine interaction. • Web service make use of WSDL, XML and SOAP. The protocol is HTTP,JMS. • SOA is a collection of distributed, self contained web services.

  5. Middleware Systems. • TIBCO. • IBM MQ • Web Methods. • RPC. • JEE. • CORBA. • JMS/MOM.

  6. SOA + database <=Service oriented Databases. • Service need data. • Data Integration Servers. • Database Gateway and Database Mediator. • Wrappers? What are they?

  7. Service Oriented Databases & Database Middleware. • System to integrate collection of data over networks. • Current system is architected around Data Integration Servers. • Uniformity is achieved by imposing Global data View on top of local data view. • There are 2 ways to do that database gateway and database mediator.

  8. Service Oriented Database cont… • Database Gateway accesses the remote data. • Database Mediator does distributed query processing. • Mediator make use of wrappers to access and translate the data into Global Data Model.

  9. MOCHA. • MOCHA is a self-extensible middleware system. • The new application-specific functionality for query processing is deployed to remote sites in a automatic fashion. • Existing middleware systems will ship the data or evaluate operators already present in the environment.

  10. MOCHA Architecture.

  11. QPC

  12. DAP

  13. SODA • The SQL Server SODA has following features— • SQLCLR • Database Change Notification. • Native Web Service Access • Service Broker.

  14. SODA – SQLCLR

  15. SODA-- DCN

  16. SODA – Native Web Service Support

  17. MOCHA Vs SODA • MOCHA offers memory management and object reuse. • SODA in SQL Server offers only memory management. • MOCHA was used in university of Maryland, SODA is effectively implemented in the 2007 version of SQL Server.

  18. MOCHA Vs SODA • MOCHA is self-extensible, SODA is NOT. • SODA uses the Database Integration Server. • MOCHA uses the java Sockets, QPC and DAP.

  19. [1] Gennaro (Jerry) Cuomo, IBM SOA “on the Edge” SIGMOD 2005. [2] Mira Kajko-Mattsson, Grace A. Lewis, Dennis B. Smith, A Framework for Roles for Development, Evolution and Maintenance of SOA-Based Systems, International Workshop on Systems Development in SOA Environments (SDSOA'07), 2007 [3] Dov Dori, SODA: Not Just a Drink! From an Object-Centered to a Balanced Object-Process Model-Based Enterprise Systems Development, Proceedings of the Fourth Workshop on Model-Based Development of Computer-Based Systems and Third International Workshop on Model-Based Methodologies for Pervasive and Embedded Software, 2006 [4] Web Services Architecture,http://www.w3.org/TR/2004/NOTE-ws-arch-20040211/ 2004 [5] Manuel Rodr´ıguez-Mart´ınez, Nick Roussopoulos, MOCHA: A Self-Extensible Database Middleware System for Distributed Data Sources_, MOD 2000, Dallas, TX USA [6] David Campbell, Service Oriented Database Architecture: App Server-Lite?, SIGMOD 2005, References.

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