an E-R diagram for a car insurance company whose customers own one or more cars each. Each car has associated with it zero to any number of recorded accidents. Each insurance policy covers one or more cars, and has one or more premium payments associated with it. Each payment is for a particular period of time, and has an associated due date, and the date when the payment was received.
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- Draw an ER diagram for the following domain of criminal court cases. Each judge has a list ofoutstanding cases over which he will preside. Only one judge presides per case. For each case one prosecuting counsel is appointed to represent the Department of Public Prosecutions. Cases are scheduled at one Crown Court for an estimated duration from a given start date. A case can try more than one crime. Make any assumption that you need for the relationship cardinality if you feel it is missing. Note that for this ER the attributes for the entities are missing. You do not have to defineattributes that has not explicitly mentioned in this questionConstruct an E-R diagram for the following hospital: In this hospital, we have many patients (characterized by social security number, name, insurance, the admission date, and the date of check out) received by medical doctor. Each medical doctor in the hospital is characterized by: ID number, name, and specialization. For every patient, the medical doctor will perform one or more tests and examinations to diagnose his illness. Each test or examination is characterized by an ID, name, date, time, and result. In your ER-Diagram, you must specify the key for each entity and all relationship cardinalities.answer should be handwritten and the ER MODEL should be be completeDraw the Entity Relationship Diagram (ERD) with appropriate mapping cardinalities for the following scenario, Patients are treated in a single ward by the doctors assigned to them. Healthcare assistants also attend to the patients; a number of these are associated with each ward. Each patient is required to take a variety of drugs a certain number of times per day and for varying lengths of time. The system must record details concerning patient treatment and staff payment. Some staffs are paid part time and doctors and healthcare assistants work varying amounts of overtime at varying rates, the system will also need to track what treatments are required to what patients
- Draw an ER diagram for the EMU Slimming Center based on the specification given below. Case Study 01 There are many dietitians in the center. There are also many clients in the center. A dietitian gives a menu to a client every week. Many diet menus are available. A diet menu consists of many food items and each food items belongs to one food category. Instructions • Identify the relationship between Entities (clearly showing the cardinality and participation)convert this plain text to ER diagram , I attached a picture with question for one diagram and it's wrong because there is no bookning "Each office employs one or more dentists, hygienists, andreceptionists each of whom have an employee number. Patientsare free to use any dental office but, naturally, must makeappointments in advance. A record of all such appointments iskept which specifies the patient’s name, the date and time ofthe appointment and a list of services performed. Adultpatients have a SIN (Social Insurance Number) but theirchildren typically do not. Each office provides specific services(e.g. cleaning, filling, X-rays, extraction, etc.) to the patients andbills them accordingly. Performing certain services consumessupplies (e.g. floss, amalgam, X-ray film, etc.). Such suppliesare purchased from a variety of suppliers each of whom isidentifiable by a unique supplier code. The current amount ofeach type of supply available is tracked so that when suppliesrun low, a new…Consider the following scenario and draw an E-R diagram for Cathay airlines. Cathay Airlines stores details about an airline’s fleet, flights, and seat bookings. The airline has one or more airplanes and an airplane has a model number, a unique registration number, and the capacity to take one or more passengers. An airplane flight has a unique flight number, a departure airport, a destination airport, a departure date and time, and an arrival date and time. Each flight is carried out by a single airplane. A passenger has given names, a surname, address and a unique email address. . Each address is made up of a street, a city and a postcode. A passenger can book a seat on a flight.
- Consider the scenario described by the statement "A customer can make many payments, but each payment is made by only one customer." Use this scenario as the basis for an entity relationship diagram (ERD) representation.Consider a model of an airport with planes, models of planes, a test of planes, and technicians. Draw an ER diagram to represent these entities and the following attributes.Planes have a unique registration number. Airplane Models are each identified by a model number (e.g. DC-80), and each has a capacity and a weight. A number of technicians work at the airport. You need to store for each the name, phone number, address, and salary. The airport has a number of tests that are used regularly to ensure that airplanes aresafe. Each test has a unique FAA number, a name, and a maximum possible score.Extend your ER diagram with relationships to represent the following information.(a) Each airplane is of one specific model.(b) Each technician is an expert on one or more plane models. His or her expertise may overlap with that of other technicians. (c) Transport Canada requires the airport to keep track of each time a given airplane is tested using a given test. For each testing event, the…Data modelling is most often accomplished through the use of a(an) ________________. a. entity-relationship diagram b. data-flow diagram c. functional decomposition diagram d. activity diagram
- I have a HW that is asking me to draw on ERD diagram for a simple purchasing system that has order with order id, customer id, and date; order consists of one or more items; items consist of item id, description and price, and customers list customer id, name, and address. Can you help?Make the entity-relationship model in Luicdchart for the following case: In the company Tecno1818 it is necessary to carry out an inventory of the products that are handled, for this the following information is available. Each product has a code, name, price and a manufacturer code. For the manufacturer you have the code and nameGiven the ER-diagrams shown below, describe (in anorganized way) as much as you can about the real worldthat the diagram represents. Be sure to identify what eachentity are relationship are and to describe all constraintsrelated to them. Would you describe (in natural language) the ER diagram representing Personal Vehicle.