optimistische Nebenläufigkeit(A type of locking in which the data page or row containing one or more records (rows) -- (including the data being edited) -- is unavailable to other users only while the data is being updated, but is available between the Edit and Update operations)
optimistische Parallelität(A method of managing concurrency by using a cached object's version information. Because every update to an object changes its version number, using version information prevents the update from overwriting someone else's changes)
optimistische Dauer(The best-case possibility for the total span of active working time expected for a task, that is, the amount of time from the optimistic start to optimistic finish of a task)