SDLC vs STLC

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Quality Thought’s Full Stack Testing course is specially designed to make students proficient in both manual testing fundamentals and automated testing tools, along with exposure to API testing, performance testing, and DevOps integration. The institute stands out for its experienced trainers, live projects, placement support, and flexible learning options including classroom and online modes.


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   SDLC vs STLC


SDLC (Software Development Life Cycle) and STLC (Software Testing Life Cycle) are two essential processes in software development. Though both are closely related, they focus on different aspects.


SDLC is the overall process followed for developing software. It includes various phases like:


Requirement Gathering


Design


Development


Testing


Deployment


Maintenance


The main goal of SDLC is to deliver a high-quality software product that meets client requirements and is delivered on time.


STLC, on the other hand, is a subset of SDLC. It focuses only on the testing phase of the software. STLC includes:


Requirement Analysis


Test Planning


Test Case Design


Test Environment Setup


Test Execution


Test Closure


STLC ensures that the software is thoroughly tested to detect bugs and verify its functionality, performance, security, and reliability.


Key Differences:

Scope: SDLC covers the entire software development process; STLC only covers the testing process.


Participants: SDLC involves developers, business analysts, testers, etc., while STLC mainly involves the testing team.


Output: SDLC produces the final software product; STLC produces verified test results and defect reports.


In conclusion, SDLC and STLC are both vital. SDLC ensures proper software development, while STLC ensures its quality through systematic testing.

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