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DISTRIBUTED DATABASE FOR POINT OF SALE

DISTRIBUTED DATABASE FOR POINT OF SALE. By Ghislaine Ngangom Supervisor: Prof Isabella Venter 3261404. CONTENT. INTRODUCTION USER REQUIREMENTS REQUIREMENTS ANALYSIS PROJET PLAN CONCLUSION

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DISTRIBUTED DATABASE FOR POINT OF SALE

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  1. DISTRIBUTED DATABASE FOR POINT OF SALE By Ghislaine Ngangom Supervisor: Prof Isabella Venter 3261404

  2. CONTENT • INTRODUCTION • USER REQUIREMENTS • REQUIREMENTS ANALYSIS • PROJET PLAN • CONCLUSION • REFERENCES

  3. INTRODUCTION • What is a Distributed database system? From the architectural point of view, a distributed database system consists of a collection of sites, connected together via a communication network, in which • Each site is a database system site in its own right, but • The sites have agreed to work together (if necessary), so that a user at any site can access data anywhere in the network exactly as if the data were all stored at the user’s own site.

  4. INTRODUCTION(cont.) • Some Advantages of distributed system: • Fault Tolerance and multiple point of failure • Site autonomy • Scalability

  5. USER REQUIREMENTS DOCUMENT • Problem Domain The problem domain is to design a distributed database application a for point of sale system that can serve as a platform for point of sale transactions as well as retail management.(we used documents analysis to gather the requirements).

  6. USER REQUIREMENTS DOCUMENT(cont.) • Description of the problem

  7. REQUIREMENTS ANALYSIS DOCUMENT • Architecture of the proposed solution Site1

  8. REQUIREMENTS ANALYSIS DOCUMENT(cont.) • Functional requirement • Perform point of sale transaction • Generation of report • Management of promotional items or products • Point of sale retail and stock management • Management of staff and customer account • Non functional requirement • Availability • Survivability • Decentralized data • Concurrency transparency

  9. REQUIREMENTS ANALYSIS DOCUMENT(cont.) • Some difficulties and ways to solve them: • Synchronisation between databases • Security of databases • Concurrency, coherence, consistence • Tools to use : • UML • Cobra and RMI • Mysql, Php, Apache, JavaScript

  10. PROJET PLAN

  11. CONCLUSION The principals aims of the project: • Offer a secure and robust environment for point of sale transactions as well as stock management. • To allow administrative User to make important decision using generated report. • Availability. • Survivability. • Decentralized data.

  12. REFERENCES • DEAKIN, u. o. Session1 - Basics concepts of distributed database systems. • Dye, C. (April 1999). Oracle Distributed Systems. O'Reilly. • Emmerich, W. (1997). Distributed System Principles. • www.barsnstripes.com, P. b. (11/29/2005). Point of Sale-A beginners guide. • Petru Eles, I. L. Distributed Systems. • sommerville, I. (2004). Distributed Systems Architectures,software Engineering (7th edition ed.). • faq.cfm.htm. (2008). Retrieved from www.RetailSystems.com.

  13. THANK YOU!!!! QUESTIONS??

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