Illustration strep038.htm shows an example of a Streams single-source replication environment.

The source database includes:

- An `ANYDATA` queue

- Supplemental logging specifications

- A capture process

- One propagation for each destination database

- Rule sets for the capture process and the propagations

- Each shared object prepared for instantiation

- A database link to the destination database for propagation

The destination database includes:

- An `ANYDATA` queue

- Instantiation SCN set for each shared object

- An apply process for the source database

- Rule sets for the apply process

The environment can include additional destination databases.