Does this ERD make any sense? Does it have 1NF, 2NF and 3NF? Business Rules Teacher: Teacher can teach one or more classes. Teacher checks attendances and each attendedance record belongs to a teacher of that class. Teacher may or may not contact parents of student. Parent: Parent can enroll at least one student. parent may or may not be contacted by teacher. parent can contact any teacher in the school. Student: Students must take at least classes Each student can only have one primary contact parent. An attendance keeps track of students. School: School assignes classes. Classes are assigned by a school Class: A class must be taken by at least one student. More than one classes can be taught by a teacher. Classes are assigned by a school. Attendance: Attendances are checked by a teacher to keep record of students. Student take attendances. attendance keeps track of each student.

Does this ERD make any sense? Does it have 1NF, 2NF and 3NF? Business Rules Teacher: Teacher can teach one or more classes. Teacher checks attendances and each attendedance record belongs to a teacher of that class. Teacher may or may not contact parents of student. Parent: Parent can enroll at least one student. parent may or may not be contacted by teacher. parent can contact any teacher in the school. Student: Students must take at least classes Each student can only have one primary contact parent. An attendance keeps track of students. School: School assignes classes. Classes are assigned by a school Class: A class must be taken by at least one student. More than one classes can be taught by a teacher. Classes are assigned by a school. Attendance: Attendances are checked by a teacher to keep record of students. Student take attendances. attendance keeps track of each student.

Np Ms Office 365/Excel 2016 I Ntermed

1st Edition

ISBN:9781337508841

Author:Carey

Publisher:Carey

Chapter1: Getting Started With Excel

Section: Chapter Questions

Problem 1.15CP

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Requirements About the System: A local library intends to modernize its operations and seeks your assistance in designing its system. The following are the requirements for the library system: The library possesses a collection of books that can be borrowed by its members. Each book has a unique ISBN, title, author, and publication year. Members can search for books, check their availability, and place a hold on a book if it is unavailable. When a book is available, the member can borrow it and the due date will be calculated based on the library's lending policy. Members can return books, and the system should keep track of the books they have borrowed and the ones they have returned. Questions: Q1: Use Case Diagram: Identify the use cases for the library system and draw a use case diagram to depict the relationships between the actors and use cases. how to create use case diagrams: https://drawio-app.com/uml-use-case-diagrams-with-draw-io/ Q2: Identification of Classes and…
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