SQL Remote User's Guide
  SQL Remote Design for Adaptive Server Anywhere

Sharing rows among several subscriptions

There are cases where a row may need to be included in several subscriptions. For example, we may have a many-to-many relationship. In this section, we use a case study to illustrate how to handle this situation.

The Policy example
Territory realignment with a many-to-many relationship
Using the Subscribe_by_remote option with many-to-many relationships