Please run following SQL against the repository.
It will enable additional conenction types.
insert into objects_tree (object_id,parent_id,name,object_type)
values (342,0,'MySql',342)
GO
insert into objects_tree (object_id,parent_id,name,object_type)
values (344,0,'PostgreSQL',344)
GO
insert into objects_tree (object_id,parent_id,name,object_type)
values (346,0,'Interbase',346)
GO
insert into objects_tree (object_id,parent_id,name,object_type)
values (338,0,'OleDB',338)
GO
insert into objects_tree (object_id,parent_id,name,object_type)
values (348,0,'SQLite',388)
GO
Mike