Even if for operational reason very large portions of them reside in volatile storage ( e. g., tens of Gigabytes in volatile memory, for in-memory databases ), most of this is backed-up in nonvolatile storage.

Even if for operational reason very large portions of them reside in volatile storage ( e. g., tens of Gigabytes in volatile memory, for in-memory databases ), most of this is backed-up in nonvolatile storage.

0.004 seconds.