Define Rollback And Roll Forward?

1.	Define Rollback And Roll Forward?
Answer» ROLLBACK :- Undoing the CHANGES made by a transaction before it commits or to cancel any changes to a DATABASE made during the current transaction. RollForward :- Re-doing the changes made by a transaction after it commits or to overwrite the chnaged calue again to ENSURE CONSISTENCY. Rollback :- Undoing the changes made by a transaction before it commits or to cancel any changes to a database made during the current transaction. RollForward :- Re-doing the changes made by a transaction after it commits or to overwrite the chnaged calue again to ensure consistency.

Answer»

ROLLBACK :- Undoing the CHANGES made by a transaction before it commits or to cancel any changes to a DATABASE made during the current transaction.

RollForward :- Re-doing the changes made by a transaction after it commits or to overwrite the chnaged calue again to ENSURE CONSISTENCY.

Rollback :- Undoing the changes made by a transaction before it commits or to cancel any changes to a database made during the current transaction.

RollForward :- Re-doing the changes made by a transaction after it commits or to overwrite the chnaged calue again to ensure consistency.

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