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There are special redo-only log records generated during transaction rollback, called _________ in ARIES.

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There are special redo-only log records generated during transaction rollback, called _________ in ARIES.

(a) Compensation log records

(b) Read log records

(c) Page log records

(d) Redo log records

The question was asked during an internship interview.

Asked question is from ARIES in division Recovery System of Database Management

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The correct option is (a) Compensation log records

The best I can explain: These serve the same purpose as the redo-only log records in our earlier recovery scheme.

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