Design an Entity Relationship Diagram for the following example

Computer Networking: A Top-Down Approach (7th Edition)
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Author:James Kurose, Keith Ross
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Design an Entity Relationship Diagram for the following example:

**QUESTION 1**

**Happy Learning (this is a fictional scenario)**

A private kindergarten, Happy Learning, wants to build a database to manage their operations. You were assigned to create an initial design based on the following customer description of their operations.

There are 3 age levels in the kindergarten (turtles, foxes, and monkeys). At each level, there are 3 classes (red, blue, and green). For a class, we keep a code based on the initial of the group color and level (e.g., RT for red turtles, GF for green foxes). Each class has a room number and a phone number (with the format 999 999999999). Also, each class has a maximum capacity (between 25 and 33). For all classes, we will keep brief directions to the class location in the building (at most 140 characters).

For a student, we will keep the name (first, last, middle each at most 23 characters), any nickname (at most 25 characters), date of birth, address, and the class in which the student is currently enrolled. We will process students based on their first and last name, or nickname, if present. We will process the address based on the city (at most 15 characters), zipcode-5 and street (at most 35 characters) to identify recruiting areas.

For each student, we will keep information about one parent (or caretakers). A parent may have several students enrolled in the kindergarten. For a parent (or caretaker), we will keep the name (first, last, middle), home phone number, mobile phone number, work phone number, (same format as above), the personal email (at most 30 characters) and relationship to the child (e.g., father, mother, grandfather). At least one phone of required, but some parents may not provide all types of phone numbers. Some parents do not provide emails. We will process parents based on their last name.

Each class has one or more teachers assigned. A teacher is assigned to a single class. For a teacher, we keep the name (first, middle, last), home phone number, work email, personal email, the graduated college and their highest degree (e.g., BS, MS, MA, ... – a maximum five characters code) and the area of the degree (at most 25 characters). All the teachers must have at least bachelor degree. We will process teachers based
Transcribed Image Text:**QUESTION 1** **Happy Learning (this is a fictional scenario)** A private kindergarten, Happy Learning, wants to build a database to manage their operations. You were assigned to create an initial design based on the following customer description of their operations. There are 3 age levels in the kindergarten (turtles, foxes, and monkeys). At each level, there are 3 classes (red, blue, and green). For a class, we keep a code based on the initial of the group color and level (e.g., RT for red turtles, GF for green foxes). Each class has a room number and a phone number (with the format 999 999999999). Also, each class has a maximum capacity (between 25 and 33). For all classes, we will keep brief directions to the class location in the building (at most 140 characters). For a student, we will keep the name (first, last, middle each at most 23 characters), any nickname (at most 25 characters), date of birth, address, and the class in which the student is currently enrolled. We will process students based on their first and last name, or nickname, if present. We will process the address based on the city (at most 15 characters), zipcode-5 and street (at most 35 characters) to identify recruiting areas. For each student, we will keep information about one parent (or caretakers). A parent may have several students enrolled in the kindergarten. For a parent (or caretaker), we will keep the name (first, last, middle), home phone number, mobile phone number, work phone number, (same format as above), the personal email (at most 30 characters) and relationship to the child (e.g., father, mother, grandfather). At least one phone of required, but some parents may not provide all types of phone numbers. Some parents do not provide emails. We will process parents based on their last name. Each class has one or more teachers assigned. A teacher is assigned to a single class. For a teacher, we keep the name (first, middle, last), home phone number, work email, personal email, the graduated college and their highest degree (e.g., BS, MS, MA, ... – a maximum five characters code) and the area of the degree (at most 25 characters). All the teachers must have at least bachelor degree. We will process teachers based
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