tabla de secuencia de confirmación de transacciones(A data structure that tracks out-of-sequence commit transactions. Transactions can commit in a different order than that in which they were begun (out-of-sequence commit). A row is inserted into the transaction commit sequence table at the time a transaction commits if that transaction is doing an out-of-sequence commit)
confirmación en dos fases(A protocol that ensures that transactions that apply to more than one server are completed on all servers or none at all. Two-phase commit is coordinated by the transaction manager and supported by resource managers)