... инструктор. Предоставлено отношение UNF.
Premiere Corporation
Order Detail Report
+-------+----------------+-----+---------+------+--------------+-----+--------+
| Order | Order | Cust| Cust | Part | Part | Qty | Quoted |
| Number| Date | Num | Last Nam|Number| Desc. | Ord | Price |
+-------+----------------+-----+---------+------+--------------+-----+--------+
| 12489 | 2016-09-02 124 | 124 | Adams | AX12 | Iron | 11 | 14.95 |
+-------+----------------+-----+---------+------+--------------+-----+--------+
| 12491 | 2016-09-02 311 | 311 | Charles | BT04 | Gas Grill | 3 | 440.00 |
| | | | | BZ66 | Washer | 1 | 399.99 |
| | | | | CX11 | Mini Blender | 1 | 11.98 |
+-------+----------------+-----+---------+------+--------------+-----+--------+
| 12494 | 2016-09-04 | 315 | Daniels | CB03 | Bike | 4 | 279.96 |
+-------+----------------+-----+---------+------+--------------+-----+--------+
| 12495 | 2016-09-04 | 256 | Samuels | CX11 | Mini Blender | 2 | 23.96 |
+-------+----------------+-----+---------+------+--------------+-----+--------+
| 12498 | 2016-09-05 | 522 | Nelson | AZ52 | Dartboard | 2 | 12.96 |
| | | | | BA74 | Basketball | 4 | 24.96 |
+-------+----------------+-----+---------+------+--------------+-----+--------+
| 12500 | 2016-09-05 | 124 | Adams | BT04 | Gas Grill | 1 | 149.99 |
+-------+----------------+-----+---------+------+--------------+-----+--------+
| 12504 | 2016-09-05 | 522 | Nelson | CZ81 | Treadmill | 2 | 325.98 |
+-------+----------------+-----+---------+------+--------------+-----+--------+
UNF
ORDER [OrderNo, Orderdate, CustNo, CustLname, (PartNo, PartDes c, QtyOrd, Price)]
1NF
ЗАКАЗАТЬ [OrderNo, PartNo, Orderdate, CustNo, CustLname, PartDes c, QtyOrd, Price]
2NF
ЗАКАЗАТЬ [OrderNo, Дата заказа, CustNo, CustLname, QtyOrd, Цена]
PART [PartNo, PartDesc]
ORDER_PART [OrderNo (FK), PartNo (FK)]
3NF
ORDER [OrderNo, дата заказа, CustNo (FK), Кол-во, Цена]
ЗАКАЗЧИК [CustNo, CustLname]
PART [PartNo, PartDesc ]
ORDER_PART [OrderNo (FK), PartNo (FK)]
Мне нужно нормализовать данные в uns до 3nf. Хотя я не уверен, что то, что я сделал, правильно.