SAP BusinessObjects - Semantic Layer
Information design tool 4.0: Create a self-restricting join using a column filter
A self-restricting join is not really a join at all, but a self-restriction on a single table, usually a transaction table. You can create a self-restricting join, using a fixed value in a column filter, to restrict the results returned by a table.
In this tutorial, you will use a column filter to create a self-restriction join in the data foundation view.