Cost of Deployment system with Traditional method

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time

deployment

analysis

Hello All,

if i analyzed any system then i build Database and code from beginning. what is the percentage for time of the building (Implementation)? for example ( visibility study 5%, Collect Requirements 5%, Describe the system 10% Analyze system (DFD or UML) 35%, implementation 40%, testing 5%)

If exist any Documents explain this information or any information may help me and thanks in advance.


With best Regards,
Ziad Salem.