Relationship Type? (M:1, 1:1 etc) and Relationship trength? .What are the Cardinalities in the Relationship? rovide if they are strong or weak? What are the Primary Key, Surrogate Key and Foreign ey? Draw an FRD and please show the

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Author:James Kurose, Keith Ross
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Happy Learning (this is a fictional scenario)
The kindergarten allows the parents (caretakers) to
select daily the menu for lunch. There are over 40
possible items to be included in the lunch menu. For a
lunch item we keep a 4 digits code, its name (up to 28
characters), and the number of calories (an integer).
A parent (caretaker) can make for each of his/her
children a lunch order everyday. All orders made are
stored. If no order is made in a day the last order made
will be provided. An order consists of maximum 6
items. Same item cannot be ordered multiple times in
the same order. The order does not store the caretaker
who made the order.
The Entities are: CARETAKER, CHILD, ORDER and
MENU
1. Relationship Type? (M:1, 1:1 etc) and Relationship
Strength?
2. What are the Cardinalities in the Relationship?
Provide if they are strong or weak?
3. What are the Primary Key, Surrogate Key and Foreign
Key?
4. Draw an ERD and please show the
Datatype provided above for each attribute. Thanks!
Transcribed Image Text:Happy Learning (this is a fictional scenario) The kindergarten allows the parents (caretakers) to select daily the menu for lunch. There are over 40 possible items to be included in the lunch menu. For a lunch item we keep a 4 digits code, its name (up to 28 characters), and the number of calories (an integer). A parent (caretaker) can make for each of his/her children a lunch order everyday. All orders made are stored. If no order is made in a day the last order made will be provided. An order consists of maximum 6 items. Same item cannot be ordered multiple times in the same order. The order does not store the caretaker who made the order. The Entities are: CARETAKER, CHILD, ORDER and MENU 1. Relationship Type? (M:1, 1:1 etc) and Relationship Strength? 2. What are the Cardinalities in the Relationship? Provide if they are strong or weak? 3. What are the Primary Key, Surrogate Key and Foreign Key? 4. Draw an ERD and please show the Datatype provided above for each attribute. Thanks!
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