7.4. Advanced transaction options
We now look at ways in which applications can access persistent data outside the context of an active transaction. Recall that persistence and transactionality can be applied to instances in any combination. We say that the two concepts are orthogonal; just because the instance is persistent does not mean that it is necessarily transactional.
7.4.1. NontransactionalRead and Write
If the NontransactionalRead flag on a Transaction is true, then the field values of Hollow and Non-transactional instances can be read without an active transaction.
If the NontransactionalWrite flag on a Transaction is true, then the field values of Persistent-Nontransactional instances can be updated without an active transaction. ...
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