Manual testing involves executing test cases without automation tools to identify defects.

SDLC defines phases such as requirement analysis, design, development, testing, deployment, and maintenance.

STLC includes test planning, test case design, execution, defect tracking, and closure.

SQL is used to retrieve, insert, update, and manage data in relational databases.

Jira is used for bug tracking, sprint planning, and agile project management.

Selenium automates web applications for functional and regression testing.

Unit testing validates individual components of an application.

Integration testing checks interaction between combined modules.

System testing validates the complete integrated system.

Acceptance testing ensures the application meets business requirements.

GitHub is used for version control and collaboration.