The processes around making sure that changes to systems are implemented correctly. This includes running programs, entering data[1] and viewing system results.
A software migration method that involves rolling out the new system to a small group of users for testing and evaluation. Once the test group has approved the system, it can be rolled out across the organization.
A method of testing that emphasizes availability and error handling under extremely heavy data processing loads to ensure software does not crash due to insufficient resources.
A process intended to control the development, testing, deployment and support of software and hardware releases, ensuring that changes to the software or hardware do not negatively impact existing programs and services.
(System Testing) The process of testing a set of system processes or components when a new change has been made to the system to make sure that the change did not introduce any errors to other parts of the system. (Statistics) An attempt to determine the strength of the relationship between one dependent variable and a series of other independent variables.
A method of testing where the old system and the new system are maintained simultaneously. The system results are compared to ensure that the new system is working properly.
