уровень изоляции транзакции(англ. термин используется в кн.: Shukla A. Building Web Apps with Spring 5 and Angular. – Birmingham: Packt Publishing, 2017. – 370 p. ssn)
уровень изоляции транзакции(The property of a transaction that controls the degree to which data is isolated for use by one process, and is guarded against interference from other processes)