What Is System Development Lifecycle (SDLC)?

You've heard of the "waterfall method," but what about the "flip-flop method"? Or maybe the "no-pants method"? No, that's not it. What we're talking about is the System Development Lifecycle (SDLC). It's a detailed process requiring careful planning, execution and management. When not managed properly, the downside is scope creep, blown budgets, and stressed-out developers! The purpose of SDLC is to provide a systematic approach to developing information systems. The process typically begins with requirements gathering, system design and testing, and implementation and deployment. May modify the method may change the way depending on the project type. For example, in the waterfall model, the requirements are gathered before any other activities take place. At the same time, in the RAD model, the conditions are gathered after user interviews as it is assumed that they will change over time. The SDLC is a process used to build and maintain software-based systems. The SDLC can be divided into increments, each representing a process stage. These stages include requirement gathering, investigation, testing, design, installation, implementation, integration and maintenance. While there are many advantages to waterfall methodologies, the main drawback is their potential for long development cycles. The entire process must start over if unforeseen circumstances or problems occur. Moreover, if requirements change, the whole process has to be restarted from the beginning. To avoid these issues, it is also essential to use agile methodologies. The spiral model is like a game of Jenga. You start with a small chunk of the tower and keep adding pieces, one by one. You may have to remove some parts along the way, but eventually, you'll have a solid building to hold itself up without falling over. But what if we're not playing Jenga? What if we're playing Tetris? Well, then, we can go back to using the waterfall process. That way, when you get stuck with a piece that doesn't fit, you know what needs to get done before moving forward.