This illustration shows the details of the
mult1.example.com Oracle Streams configuration, including the following mechanisms:
One queue that is used by the capture process, propagations, and apply processes.
A capture process that captures changes in the redo log and converts relevant changes into LCRs, which it enqueues. The capture process captures a change only if its tag is
One apply process that applies changes from
mult2.example.comand another apply process that applies changes from
mult3.example.com. Both of these apply processes dequeue changes from the same queue. Any apply change from
mult3.example.comhas a tag of
'00'in the redo log.
One propagation to propagate locally captured LCRs to
mult2.example.comand another propagation to propagate locally captured LCRs to