The function ing system in its operation al environment. [D04162] CSM
See Transaction System ()
The OLTP system from which the DSS system derives its data.
The system that creates, updates and accesses production systems. They do not access, or update decision support systems. See Legacy system
a system that helps a department or enterprise to operate on a day-to-day basis
a system that has been implemented into the production environment and is being used by clients as a ‘live’ system.
A system which supports the operations of the client's business. These systems may be mission critical systems or support systems.
An information system designed and optimized for day-to-day business transactions, often structured around events, business processes or business activities.
IT system supporting the operation of an enterprise (e.g. cf. HIS, cf. POS, cf. LIS, cf. RIS/PACS)