internal_id   | external_id | user_id | deal_date  | ccy     | amount     
--------------|-------------|---------|------------|---------|--------------
Autoincrement | Numeric     | Numeric | Date       | Text(3) | Numeric
--------------|-------------|---------|-----------_|---------|--------------
            1 |           3 |      11 | 07.02.2017 | EUR     |     -10'500.00
            2 |           4 |      13 | 08.02.2017 | USD     |       5'454.00
            3 |           5 |      12 | 16.02.2017 | EUR     | -16'546'345.35