TAILIEUCHUNG - Lecture Software requirements engineering - Lecture­ 24: Requirements validation and management

In this chapter, the following content will be discussed: Relational databases, structured query language (SQL), database systems, database access from programming languages. | Requirements Validation and Management Lecture-24 Recap 2 Validation process Review team membership Review checklist Validating requirements Prototyping Preparing user manual Model checking Preparing tests Today’s lecture 3 Requirements validation Requirements management Hard-to-test requirements System requirements Requirements which apply to the system as a whole. In general, these are the most difficult requirements to validate irrespective of the method used as they may be influenced by any of the functional requirements. Tests, which are not executed, cannot test for non-functional system-wide characteristics such as usability. Exclusive requirements These are requirements which exclude specific behaviour. For example, a requirement may state that system failures must never corrupt the system database. It is not possible to test such a requirement exhaustively. Some non-functional requirements Some non-functional requirements, such as reliability requirements, can only be tested

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