• Durability: Once the execution of

• Durability: Once the execution of the transaction completes successfully, and
the user who initiated the transaction has been notified that the transfer of funds has taken place, it must be the case that no system failure can result in
a loss of data corresponding to this transfer of funds. The durability property
guarantees that, once a transaction completes successfully, all the updates
that it carried out on the database persist, even if there is a system failure
after the transaction completes execution.