Extract places a write checkpoint, known as the current checkpoint, in the trail. The current checkpoint is the position in the trail where Extract is currently writing. This statistic is composed of the following:

• Sequence #: The sequence number of the trail file where the checkpoint was written.

• RBA: The relative byte address of the record in the trail file at which the checkpoint was made.

• Timestamp: The timestamp of the record at which the checkpoint was made.

• Extract trail: The relative path name of the trail.

• Trail Type: Identifies the trail type. EXTTRAIL identifies the trail as a local trail, which means that it is directly accessible by Oracle GoldenGate processes through the host filesystem. RMTTRAIL identifies the trail as a remote trail, which means it is not directly accessible by Oracle GoldenGate processes through the host filesystem. A trail stored on a shared network device and accessible through NFS-like services are considered local because they are accessible transparently through the host filesystem.