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The Daily Insight

What are SDLC and the 7 steps?

Author

Christopher Harper

Updated on April 02, 2026

The new seven phases of SDLC include planning, analysis, design, development, testing, implementation, and maintenance.

What are the steps of SDLC?

The 7 Phases Of SDLC (Software Development Life Cycle)

  • Stage 1: Project Planning. The first stage of SDLC is all about “What do we want?”
  • Stage 2: Gathering Requirements & Analysis.
  • Stage 3: Design.
  • Stage 4: Coding or Implementation.
  • Stage 5: Testing.
  • Stage 6: Deployment.
  • Stage 7: Maintenance.

What are the basic phases in SDLC explain with an example?

SDLC has defined its phases as, Requirement gathering, Designing, Coding, Testing, and Maintenance. It is important to adhere to the phases to provide the Product in a systematic manner.

What are the stages of system design?

There are four system design processes: developing stakeholder expectations, technical requirements, logical decompositions, and design solutions.

What is the system design phase?

System design is the phase that bridges the gap between problem domain and the existing system in a manageable way. In this phase, the complex activity of system development is divided into several smaller sub-activities, which coordinate with each other to achieve the main objective of system development.

What is done in design phase of SDLC?

The next stage of SDLC is the Design phase. The technical details of the design is discussed with the stakeholders and various parameters such as risks, technologies to be used, capability of the team, project constraints, time and budget are reviewed and then the best design approach is selected for the product.

What is System in SDLC?

Various SDLC methodologies have been developed to guide the processes involved, including the original SDLC method, the Waterfall model. Other SDLC models include rapid application development (RAD), joint application development (JAD), the fountain model, the spiral model, build and fix, and synchronize-and-stabilize.

What is system design in SDLC?

System Design Includes the design of application, network, databases, user interfaces, and system interfaces. Transform the SRS document into logical structure, which contains detailed and complete set of specifications that can be implemented in a programming language.

What are examples of tasks that are typically performed during software development?

The four activities of analysis (analysis is often used as a generic term for the activities that precede design), design, implementation, and testing are the ones you will see most often in diagrams depicting the process model of software development.

What is system in SDLC?

What is system design example?

Design methods: 1) Architectural design: To describes the views, models, behaviour, and structure of the system. 2) Logical design: To represent the data flow, inputs and outputs of the system. Example: ER Diagrams (Entity Relationship Diagrams).

What is the development phase in SDLC?

The development phase in SDLC is crucial because this is where your product ultimately gets built. But, remember to not take the implementation phase in SDLC lightly. You must constantly talk to your developers and clear roadblocks, if any. Development phase in SDLC with example is covered later.

What are the different methodologies within the SDLC?

The two best-known methodologies within the SDLC are Waterfall and Agile. Below is a brief explanation and how they relate to the SDLC.

Who is responsible for SDLC?

The primary SDLC activities may be handled by developers, but oversight must be maintained by Product Managers. The development phase in SDLC is crucial because this is where your product ultimately gets built. But, remember to not take the implementation phase in SDLC lightly.

What is the full form of SDLC?

Definition of SDLC. SDLC or the Software Development Life Cycle is a process that produces software with the highest quality and lowest cost in the shortest time. SDLC includes a detailed plan for how to develop, alter, maintain, and replace a software system. SDLC involves several distinct stages, including planning, design, building, testing,…