Acronym for "System development life cycle". SDLC is the process of developing information systems through investigation, analysis, design, implementation and maintenance. SDLC is also known as information systems development or application development. SDLC is a systems approach to problem solving and is made up of several phases, each comprised of multiple steps.Various SDLC methodologies have been developed to guide the processes involved, including the ..
1.waterfall model (which was the original SDLC method)
2.rapid application development (RAD)
3.joint application development (JAD)
4.the fountain model
5.the spiral model
6.build and fix
8.V Model(The very frequently used SDLC Model) ...........and etc