Overview#Sprint Backlog (Iteration Backlog) is the prioritize user stories or often Agile Tasks chosen by the Scrum Team to be taken to the Definition of Done during the Iteration
Sprint Backlog is the subset of the Product Backlog. Each Iteration, Scrum Team picks the Agile Tasks from Product Backlog on top of its stack, the number of Agile Tasks is determined by the Product Owner for an Iteration is based on the average velocity of a Scrum Team.
- Sprint Backlog is a subset of Product Backlog
- Sprint Backlog is an output of a sprint planning meeting.
In Sprint Backlog, Scrum Team works on how the user stories would be implemented in a sprint by dividing it further into tasks and estimating it.
Assuming Product Backlog has stories: 1, 2, 3, 4 , 5 and 6. The team decides to do stories 1,2 and 4. As during Iteration Planning the Scrum Team realized that there still some question which is not answered well by the Product Owner, so they decided not to include the User Story no: 3 and jump to user story no:4, which was defined well.
Sprint Backlog is owned by the Development Team and contains what is to be taken to the Definition of Done during the Iteration in each Iteration Planning the existing Sprint Backlog is replaced with a new Sprint Backlog