Atomicity is the right answer.
An atomic transaction is an indivisible and irreducible series of database operations such that either all occurs, or nothing occurs. A guarantee of atomicity prevents updates to the database occurring only partially, which can cause greater problems than rejecting the whole series outright. As a consequence, the transaction cannot be observed to be in progress by another database client.
Atomicity: All changes to data are performed as if they are a single operation. That is, all the changes are performed, or none of them are.
For example, in an application that transfers funds from one account to another, the atomicity property ensures that, if a debit is made successfully from one account, the corresponding credit is made to the other account.
https://www.ibm.com/docs/en/cics-ts/5.4?topic=processing-acid-properties-transactions
it is consistency. Atomic: it is indivisible. Consistent: leaves data in a consistent state (either commits or rolls back the entire transaction). Independent: a transaction does not depend on other transactions to complete. Durable: data is left in a durable state in case of failure (hardware). Last one is up for debate with in-memory structures.
Atomicity – each transaction is treated as a single unit, which succeeds completely or fails completely. For example, a transaction that involved debiting funds from one account and crediting the same amount to another account must complete both actions. If either action can't be completed, then the other action must fail.
Durability – when a transaction has been committed, it will remain committed. After the account transfer transaction has completed, the revised account balances are persisted so that even if the database system were to be switched off, the committed transaction would be reflected when it is switched on again.
https://learn.microsoft.com/en-us/training/modules/explore-core-data-concepts/5-transactional-data-processing
Atomicity: the smallest indivisible set of operations, that must ALL succeed together, or ALL fail (and reversed) together.
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