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Acording to the text, ROLLBACK is an operation that

Ano: 2007
Banca: CONESUL Fundação de Desenvolvimento - CONESUL
Prova: CONESUL - ECT BA - Analista de Sistemas - 2007

Acording to the text, ROLLBACK is an operation that

A

returns the database to some previous state.

B

copies all the information avaliable.

C

causes failure to the system.

D

repeats the information to the user.