Projects inc. is an engineering firm with approximately 50 employees A database is required to keep...
Project Database Description After the requirement collection and analysis phase the software project of a database application about a company is described as follows: The company is organized into departments. Each department has an unique name, an unique number, and a particular employee who manages the department. We keep track of the start date when the employee began managing the dept. A dept may have multiple locations(cities). A dept controls a number of projects, each of which has a unique...
Lab 4 – Logical Design Introduction: This lab is designed to practice database design concepts. Submission: For the scenario below, draw a logical design draft on the paper, and then draw the design in the computer using PG Modeler software. After that, export the model to PNG photo. Submit to Brightspace a word file that has a photo of the draft design (on the paper) and the PNG photo that is produced from the PG modeler. Database scenario: Assume that...
Projects Case Study A construction company requires a database to record details about building projects. Each project has its own project number, name and employees assigned to it. Each employee has an employee number, name and job classification, such as engineer or computer technician. The company charges its clients by billing the hours spent on each contract. The hourly billing rate is dependent upon the employee's position. For example, one hour of a computer technician's time is billed at a...
(help)Use this business description to make an ERD. A grocery store wants to keep track of its departments and employees. For each department, the store wants to record a department ID, a name, and a location. For each employee, the store wants to record an ID, a first name, a last name, a start date, and a phone number. A department can have many employees. The store wants to be able to assign employees in more than one department. Part time employees can...
2) Consider the database schema on the relations (where key attributes have been underlined): PROJECTS(Number, Department, ProjectName) EMPLOYEES(Number, Surname, FirstName, Department) ALLOCATIONSEmplovee, Project, Function, Date) NOTE: relation ALLOCATIONS stores the registration number (attribute Employee) of employees that are assigned to a given project (attribute Project is the number of the project, not the name of the project), the function the employee has in that project (i.e., technician, manager, etc.) and the date when the employee has been assigned to that...
Database Analysis and Design (ER diagram) After the requirement collection and analysis phase the software project of a database application about a company is described as follows: 1. The company is organized into departments. Each department has a name, an unique number, and a particular employee who manages the department. We keep track of the start date when the employee began managing the dept. A dept may have several locations. 2. A dept controls several projects, each of which has...
Exercise 1: ERD Use the following business rules to create a Crow's Foot ERD. Write all appropriate connectivities and cardinalities in the ERD. A department employs many employees, but each employee is employed by only one department. Some employees, known as "rovers," are not assigned to any department. A division operates many departments, but each department is operated by only one division. An employee may be assigned many projects, and a project-may have many employees assigned to it. A project must have at least one employee...
you are required to develop a simple HR application for a small accounting firm that wishes to keep track of all the employees at the firm; storing details about their salary, phone numbers and Date of Birth. The firm has many departments and there are 5 to 20 employees in each department. The department information includes department name, description and total number of employees in that department. The company also provides vehicles for some of its employees. An employee maybe...
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...
A company database needs to store information about employees (identified by ssn, with salary and phone as attributes), departments (identified by dno, with dname and budget as attributes), and children of employees (with name and age as attributes) Employees work in departments; each department is managed by an employee; a child must be identified uniquely by name when the parent (who is an employee; assume that only one parent works for the company) is known. We are not interested in information...