Kizspy | Question: 11
(Choose 1 answer)
For the following relations:
Product
maker model | type Asus 1 Laptop
HP | 2 | Laptop
HP 3 PC
HP | 4 | Printer
Dell 5 Laptop
Dell | 6 | PC
PC
model speed | ram | hd | price
32.00 8500 | 10000000
63.00|16| 500
| 15000000
Laptop
model | speed | ram | hd | screen | price 12.00|
16 | 256 | 14 |
20000000
23.00|8|512 | 15 | 25000000
Printer
model | color | 4 TRUE | Laser | 8000000
type | price
4 FALSE | 3D | 30000000
Use Algebraic query language to find manufactures that sell PCs, but not Laptop's
A. maker (type='Laptop' (Product)) \[maker (type='Laptop' (Product))
B. maker (type='Laptop' (Product)) \maker (type='PC' (Product))
C. maker (type='PC' (Product)) \ maker (type='Laptop' (Product))
D. Omaker (type='PC' (Product)) \ [maker ([type='PC' (Product))
FUOVER
