Siebel CRM Question:

Establish an M: M link relationship between parent and child BCs we need to define foreign key for the relationship in the intersection table. We need to mention the inter child column and inter parent column.
For a many to many relationship, you need the following:
1) Parent BC
2) Child BC
3) Link

In the link you mention th following
1) Parent BC Name
2) Child BC Name
3) Inter-table Name
4) Inter Parent Column Name(stores row_id of Parent BC)
5) Inter Child Column Name
(store Row_id of child table)