Designing databases using agile methodology for web applications

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Designing databases using agile methodology for
web applications

• By Belkacem Mezhoud
• ITK 478 Student

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Designing databases using agile methodology for
web applications

• Introduction
• Web application architecture
• Agile Database Design
• Usage and Challenges of agile data base design
• Conclusion

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introduction

• - Data Base changes are not simple as
  application changes.
• Because we are not using design methods to ease
  changes.
• Need for a quick way to respond to changes in
  requirements.

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Web Application Architecture

• 3 tiers Presentation, business and Data
• Component Based Architecture
• For Rapid development, an architecture where
• Presentation is View and Controller
• Business is Domain and Application
• Data is Persistence

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Agile Database Design

• Follows the agile principles
• And data, enterprise issues and groups, each
  project is unique, teamwork and compromises.
• Deliver fast like we do in presentation and in
  business layers.
• We can use agile techniques such as class
  normalization, refactoring

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Usage and Challenges of agile database design

• In Agile we focus on necessary processes and
  documentation.
• We work all together application developers,
  DBAs, users, clients.
• We do pair programming
• We use Test Driven Development

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Usage and Challenges of agile database design
(Cont)

• New Methodology, therefore cultural issues
• Traditional versus agile development

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Conclusion

• Evolving environment
• Need to respond fast and accurate.
• Why not agile.
• Agile Database Techniques Refactoring Video by
  Scott Ambler