sql veri tabanı database software select design tasarım er şeması normal form software engineering waterfall prototyping agile scrum kanban black box testing white box testing grey box testing unit testing er diagram count having group by where delete update insert drop alter create date varchar veritabanı requirements analysis cost estimation project management pert form elements blue print user experience user interface server client application processing layer presentation layer data management layer business logic layer three tier two tier layered software software architecture size understandability reusability modularity complexity coupling cohesión metrics quality acceptance testing beta testing system testing alpha testing integration testing
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