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AnswerRe: the best design pattern for cloud compting systems Pin
Eddy Vluggen18-Apr-13 12:56
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Generalto develop a new web project using asp.net and sqlserver Pin
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AnswerRe: to develop a new web project using asp.net and sqlserver Pin
konate24-Apr-13 8:31
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QuestionDomain Driven Design and Persistance. How do you do it? Pin
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AnswerRe: Domain Driven Design and Persistance. How do you do it? [modified] Pin
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AnswerRe: Domain Driven Design and Persistance. How do you do it? Pin
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QuestionUSB Pin
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AnswerRe: USB Pin
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Questionarm processor Pin
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QuestionWorking with data bases Pin
columbos1492729-Mar-13 21:18
membercolumbos1492729-Mar-13 21:18 
Hello,
I have a begginers design issue.
I'm building an layered application(Presentation layer, Business logic layer and Data base layer).
I have three entities in my application:customer,staff member and vendor that all of them deriving from person.
The user can add new customer,staff member or vendor to the data base(using UI).
My question is which layer is responsible for the next tasks:
1.Validating user data
2.Saving customer,staff member,vendor in to the DB.
3.Retrieving customer,staff member,vendor from the DB.
4.Perform other DB related manipulation with customer,staff member,vendor.
5.Which classes i need to define to perform the above tasks.

I'm new in to object oriented programming so thru the current question i am trying to understand the concept.

Thanks
AnswerRe: Working with data bases Pin
jschell30-Mar-13 14:28
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AnswerRe: Working with data bases Pin
Rahul Rajat Singh16-Apr-13 1:28
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QuestionDesigning and visualising software architecture Pin
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GeneralRe: Designing and visualising software architecture Pin
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GeneralRe: Designing and visualising software architecture [modified] Pin
konate28-Apr-13 8:31
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AnswerRe: Designing and visualising software architecture Pin
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AnswerRe: Designing and visualising software architecture Pin
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AnswerRe: Designing and visualising software architecture Pin
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QuestionDistributed Application-- client / server approach for distributed objects [modified] Pin
docomo119-Mar-13 14:24
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AnswerRe: Distributed Application-- client / server approach for distributed objects Pin
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GeneralRe: Distributed Application-- client / server approach for distributed objects Pin
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QuestionSoftware Architecture and Design simulators Pin
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QuestionDesign of cache services... Pin
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QuestionSSO recommendations Pin
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QuestionMaintenance vs performance vs security vs data consistency Pin
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