drugref=# select count(*), id_packing_unit from product group by
id_packing_unit;
count | id_packing_unit
-------+-----------------
259 | 1
3 | 2
1201 | 7
23 | 11
43 | 12
71 | 13
5 |
(7 rows)
drugref=# select * from dru
drug_class drug_element
drug_formulations drug_routes drug_warning
drug_dosage drug_flags
drug_information drug_units drug_warning_categories
drugref=# select * from drug_units ;
id | unit
----+--------
1 | ml
2 | mg
3 | mg/ml
4 | mg/g
5 | U
6 | IU
7 | each
8 | mcg
9 | mcg/ml
10 | IU/ml
11 | day
12 | dose
13 | g
(13 rows)