Write Once Read Many
- Kenichi WadaAffiliated withHitachi Limited
A data storage technology that allows information to be written to storage media a single time only, and prevents the user from accidentally or intentionally altering or erasing the data. Optical disc technologies such as CD-R and DVD-R are typical WORM storage.
Physical WORM uses storage media which physically can be written only once, and prevents the user from accidentally or intentionally altering or erasing the data. Optical storage media such as CD-R and DVD-R are good examples. Offering fast access and long-term storage capability, physical WORM has historically been used for archiving data that requires a long retention period.
Logical WORM uses storage systems which provide a WORM capability by using electric keys or other measures to prevent rewriting even if with non-WORM storage media, such as disk d ...
Reference Work Entry Metrics
- Write Once Read Many
- Reference Work Title
- Encyclopedia of Database Systems
- p 3570
- Print ISBN
- Online ISBN
- Springer US
- Copyright Holder
- Springer Science+Business Media, LLC
- Additional Links
- Industry Sectors
- eBook Packages
To view the rest of this content please follow the download PDF link above.