1 | Multiple Instances on different nodes share a single physical database |
2 | The data is accessed by all nodes through a parallel file subsystem |
3 | All instances have common data & controls files and their individual log files |
4 | All instances can simultaneously execute transactions against the single database, and each instance can have multiple users executing transactions |
5 | Data is kept consistent using PCM Technology |
6 | Implemented by the Distributed Lock Manager |