Thx

ADEP (just reeleased) actually has the Data Services and SAP Connector that Francois mentions.  It can make building SAP-backed RIA's very easy (see brief demo here: http://www.youtube.com/watch?v=Kr_iVhomOw8The Connector is actually sophisticated model-driven Java JCO code generation and by default...

@R. Sparrow: See Ashish's response above.  You need to tell LCDS via the DataServiceTransaction APIs about CRUD operations to data sets it is managing, and LCDS will take care of notifying all subscribed clients.  So when a record is created, call createItem().  When a record is deleted, call delete...

We have many customers doing this.  You need to check your RDBMS vendor's documentation for invoking Java code from triggers, for example, if you want to go to that level.