Question
1. Creation of objects Entities and Attributes 2. Creation of Relationship Types 3. Identify and include constraints (Such as not null, unique, Supertype, Subtype. 4.
1. Creation of objects Entities and Attributes
2. Creation of Relationship Types
3. Identify and include constraints (Such as not null, unique, Supertype, Subtype.
4. Identify and include Primary Keys, Foreign keys, and unique keys.
From following tables
Table Name: Product
ProductCode | Product_name | Unit_Price |
P1 | Noodles | 30 |
P2 | Rice | 900 |
P3 | Coffee | 400 |
P4 | Oil | 200 |
P5 | Biscuits | 60 |
P6 | Dishwasher | 90 |
Table Name: Order Details
Order _id | Product _id | Custom er_id | Customer_nam e | Customer _address | Order_date | Quantity |
Ord1 | P3 | C1 | Saroj Karki | Add1 | 2020-01-20 | 3 |
Ord1 | P4 | C1 | Saroj Karki | Add1 | 2020-01-20 | 4 |
Ord2 | P5 | C2 | Rohit Pandey | Add2 | 2020-04-05 | 2 |
Ord3 | P3 | C1 | Saroj Karki | Add2 | 2020-04-05 | 1 |
Ord4 | P2 | C3 | Santos Katuwal | Add3 | 2020-06-25 | 5 |
Ord4 | P4 | C3 | Santos Katuwal | Add4 | 2020-06-25 | 4 |
Ord4 | P1 | C3 | Santos Katuwal | Add2 | 2020-06-25 | 4 |
Ord5 | P6 | C4 | Bidur Khanal | Add1 | 2020-07-21 | 2 |
Ord6 | P6 | C5 | Kusum Tamang | Add5 | 2020-07-08 | 1 |
Ord7 | P3 | C3 | Santos Katuwal | Add5 | 2020-04-03 | 6 |
TableName: Address
Address_i d | Country | Zone | City |
Add1 | Nepal | Koshi | Itahari |
Add2 | Nepal | Mechi | Jhapa |
Add3 | Nepal | Bagmati | Kathmandu |
Add4 | Nepal | Bagmati | Lalitpur |
Add5 | Nepal | Koshi | Dharan |
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