

Given the following ERD for a Project Management Application (Line near Skill_Id should not be there)...
TM-315 DATABASE SYSTEMS
Please help me to draw an ERD and the Relational Schema and
please mark the Primary and Foreign Key .....
Deliverable:
Word document with grade sheet followed by Part 1 ERD and the
Part 2 relational schema.
Part 1: Draw the ERD for the following situation. 8 pts
Be sure to:
Convert all many-to-many relationships to associative
entities.
Make sure each regular entity has an appropriate identifier.
Make sure attribute names are unique within the ERD
Wally...
Given the following relational database schema (primary keys are bold and underlined). Answer questions 2.1 to 2.4 Orders(orderld, customerld, dateOrdered, dateRequired, status) Customer(customerld, customerLastName, customerStreet, customerCity, customerState, customer Lip OrderDetails(orderld.productld, quantity, lineNumber, amount) Products(productld, name, description, quantity, unitPrice) Account(accountNumber, customerld, dateOpened, creditCard, mailingStreet, mailingCity, mailingState, mailingZip) 2.1 (2 Points) List all possible foreign keys. For each foreign key list both the referencing and referenced relations. 2.2 (2 Points) Devise a reasonable database instance by filling the tables with data of...
Normalisation Consider the following relation schema about project meetings: PMG(projID, title, type, manager, jobID, start-date, end-date, contractor, contractNo) Some notes on the semantics of attributes are as follows: • Each project has a unique project ID (projID) and also has a title, type and manager. Each manager has a specialty project type. • A project often contracts jobs to contractors with start-date and end-date. Contracts are identified by contract numbers (contractNo), but contract details are out of the scope of...
1. {90 points} Your task is to design a 'Company database capable of storing information about EM- PLOYEE(S), DEPARTMENT(s), and PROJECT(s). Knowing that: We store each employee's name composite attribute - {10 points}), social security number, address, salary, and telephone number. An employee is assigned to one department, but may work on several projects which are not necessarily controlled by the same department. We keep track of the number of hours that an employee works on each project - {10...
IS 331 NJIT Assignment 5
Steps to complete in Microsoft Access
Use the sample solution to assignment 4 (below) as the
conceptual model, develop a logical model (relational model) based
on it. Specify all the integrity constraints in English.
For each table in the Assignment 4 solution, write a relation in
the form TableName(PK attribute, attribute 1, attribute 2, etc)
For each relationship connection between the tables, write a
constraint in the form CONSTRAINT foreign_key REFERENCES
reference_table_name
For any N:M...
Given the following requirements: we need to construct a database that manages the hospital data. The hospital contains four departments (Department of Internal Medicine, Orthopedic department, pediatric department, surgery department), each department has several doctors; each department receives and treats several patients. Each doctor has an ID number (unique); Full Name; Gender; Department ID number, each patient has an ID number (unique); Full Name; Gender; Department ID number; Condition (admitted or not), The doctor in charge; the described medications (serial...
DATABASE SYSTEMS Project INDIVIDUAL WORK DELIVERABLE #: SUBMISSION DATE No Group Work Allowed April 8 Introduction to Coursework You have been approached by a University for the design and implementation of a relational database system that will provide information on the courses it offers, the academic departments that run the courses, the academic staff and the enrolled students. The system will be used mainly by the students and the academic staff. The requirement collection and analysis phase of the database...
Project Steps: 1. Database Design 1.1. Design and create a database in third normal form based on the following requirements: • Each Job is for a specific customer and there can be more than one job per customer. • The name and address must be tracked for each customer. • Each job is described by up to 2000 characters. • Each job has a status of ‘open, ‘in process’, or ‘complete’. • Each job has a start date and end...
PROBLEM STATEMENT: Suppose you have a client that has given you
the following business rules to form the basis for a database
design. The database must enable the manager of a company dinner
club to mail invitations to the club’s members, to plan the meals,
to keep track of who attends the dinners, and so on. Each dinner
serves many members, and each member may attend many dinners. A
member receives many invitations, and each invitation is mailed to
many...