Learn to configure the <join_columns> element for Pull Reports™ Ad Hoc
report and data service software.
Catalog Configuration Java API analog:
JoinTable#getJoinColumns()
Contains the foreign key <join_column>s which reference the
parent <table> within a to-many, <join_table> relationship.
See <relationship> for example usage.
<join_column>+ |
<join_table> |