olemus
ISO/IEC TR 10032:
andmed, mida säilitatakse infosüsteemis kauemaks kui üks andmehalduse seanss
= data which is retained in the information system for more than one data management session

ISO/TR 14292:
alalistena talletatavad andmed
= data which are stored on a permanent basis

ülevaateid
https://www.couchbase.com/resources/concepts/data-persistence/

https://www.rudderstack.com/learn/data-security/what-is-persistent-data/

https://en.wikipedia.org/wiki/Persistent_data_structure