ad_targets

descending

Link	rowid	target_id	ad_id
8781	8781	4fb1f	33 33
8782	8782	dd08c	33 33
8783	8783	371f0	33 33
8784	8784	59d75	33 33
8785	8785	3502d	33 33

CREATE TABLE ad_targets (
               target_id TEXT   REFERENCES [targets]([id]),
   ad_id INTEGER   REFERENCES [ads]([id])
        )