As discussed earlier the minimum number of environments for supporting database applications is two. CCaLC is suitable for any type of products process technology or service. Software Development Life Cycle Phases And Models All the tools follow the internationally accepted life cycle methodology as defined by ISO 14044 and PAS2050. . CCaLC PVC is tailored for the PVC sector. Waterfall model is the very first model that is used in SDLC. What is system development life cycle. Planning and Requirement Analysis. Some organizations however create multiple environments to support for example different phases of the development life cycle including. It is also. Master the Software development life cycle and its various models. Requirement analysis is the most important and fundamental stage in SDLC. The goal of the SDLC is to produce superior software that meets and exceeds all customer expectations and demands....