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Rollback vs Undefined - What's the difference?

rollback | undefined |

As a verb rollback

is (nonstandard) to roll back.

As a noun rollback

is a return to a prior state.

As an adjective undefined is

lacking a definition or value.

rollback

English

Verb

(en verb)
  • (nonstandard) To roll back.

    • Noun

    (en noun)
  • A return to a prior state.
  • A withdrawal of military forces.
  • (computing) An operation which returns a database, or group of records in a database, to a previous state (normally to the previous commit point).
  • An event caused by a roller coaster failing to reach the top of a hill.
  • a form of flatbed truck adapted or designed specifically as a or for transporting other vehicles

    • Synonyms

    * (form of flatbed truck) slide truck

    undefined

    English

    Adjective

    (wikipedia undefined) (-)
  • Lacking a definition or value.
  • (mathematics, computing) That does not have a meaning and is thus not assigned an interpretation.
    • The result of division by zero is undefined .

    Antonyms

    * defined