Delayed Transaction Durability is a new SQL Server 2014 feature that was not included in SQl Server 2014 CTP1 but discreetly published in CTP2. It is a very interesting functionality that helps reducing the IO contention for transaction log writes.
In other databases engine, you will find equivalents such as:
- Oracle: 'COMMIT WRITE BATCH WAIT|NOWAIT' (link here)
- MySQL: 'group_commit' since version 4.x (link …