Volatile storageVolatile storage, is a computer memory that requires power to maintain the stored information, in other words it needs power to reach the computer memory.

Stable storageSimilarly, for a transaction to be atomic, log records need to be written to stable storage before any changes are made to the database on disk.

Non-volatile storageInformation residing in nonvolatile storage survives system crashes.

ClusterWith a cluster file system, the failure of a computer in the cluster does not make the file system unavailable.

BucketsBuckets are used to store one or more records in a hash file organization.

is generally stored on disk in an ASCII text formatASCII text format uses the standard text file for the changing the value.

Storage Definition LanguageIt specifies internal schema and also mapping between two schemas.

NetworkNetwork model has data stored in a hierarchical network flow .

Physical database designPhysical database design is the process of selecting the data storage and data access characteristics of the database.

WritingThe information is written into the secondary storage device .