A car-rental company maintains a database for all vehicles in its current fleet. For all vehicles, it includes the vehicle identification number, license number, manufacturer, model, date of purchase, and color. Special data are included for certain types of vehicles:• Trucks: cargo capacity.• Sports cars: horsepower, renter age requirement.• Vans: number of passengers.• Off-road vehicles: ground clearance, drivetrain (four- or two-wheel drive). Construct an SQL schema definition for this database. Use inheritance where appropriate.

Q: Each publisher has a unique name; a mailing address and telephone number are also kept on…

A: SQL database based on the given information and provide you with a textual representation of the…

Q: An organization has many departments through-out the country. Data held on each department is id,…

A: Answer :

Q: An insurance company needs to store their salespeople’s information who are selling their insurance…

A: Hello studentGreetingsIn response to the provided problem statement, we have created a sample…

Q: se SQL program Server2014 ... A company undertakes a number of projects, the employees work on it,…

A: First, we can create tables using given data. 1. Employee table CREATE TABLE Emp_tab (    Empno…

Q: The State of New York certifies firefighters throughout the state and must keep track of all of…

A: Given: The State of New York certifies firefighters throughout the state and must keep track of all…

Q: as a database you need to ensure that each excercise log has a unique ID number, date, excercise…

A: The question has been solved in step2

Q: Identify 7 mistakes by giving a number (e.g., 1, 2). Clearly explain each mistake and what should be…

A: The ER model characterizes the applied perspective on an information base. It works around…

Q: A company that provides a movie-streaming subscription service uses a relational database to store…

A: According to the given description the E-R diagram and its explanation are given below: -…

Q: Database Foundations: Design a database to produce the following reports. Do not use any surrogate…

A: Database Design: DBDL stands for database definition language It is a format to represent table by…

Q: music database stores details of a personal music library, and could be used to manage your MP3, CD,…

A: Entities are the things we need to store information about. It is a part of your business that…

Q: ng php We run a dog grooming shop, there are new 4 breeds that are being registered to our system.…

A: The answer is given below.

Q: Create ERD for Real-estate database:   There are Many Cities in each State There are Many Zip…

A: In this question we have to provide a ER Diagram for the real state database.Let's design and hope…

Q: The Motor Vehicle Department Database The Motor Vehicle Branch administers driving tests and issues…

A: Given Data,The Motor Vehicle Department Database,The Motor Vehicle Branch administers driving tests…

Q: Course evaluation must have a student, the students relation contains a unique student id, full name…

A: An Entity–relationship model (ER model) describes the structure of a database with the help of a…

Q: Holiday Travel Vehicles sells new recreational vehicles and travel trailers. When new vehicles…

A: Step 1:Based on the scenario provided, we can identify the following classes along with their…

Q: The State of New York certifies firefighters through- out the state and must keep track of all of…

A: Introduction: A relational database model provides a way of organizing related data and information…

Q: Exercise Wellmeadows Hospital Patient Medication Form • Illustrate the Patient Number: P1O034 Full…

A: The ask is to do the data normalization of the given data.

Q: Explore the function of Layer 2 (Data Link Layer) devices in the OSI model. Discuss common Layer 2…

A: The Data Link Layer, or Layer 2 devices in the OSI model, is a critical component that facilitates…

Q: The Music Database The music database stores details of a personal music library, and could be used…

A: Q: Where would the source of business rules come from in the above case. Identify business rules for…

Q: 1. Find out the entities in the specifications above. 2. Find out the relationships among the…

A:

Q: The following four tables form part of a library database: • Book (isbn, title, author, genre,…

A: A library database is a structured collection of information designed to manage and organize…

Q: A book is identified by its ISBN number, and it has a  title, a price, and a date of publication. It…

A: i Attributes: - Book(ISBN,Title,Price,Publish_Date) Publisher(Publisher_ID,Name) ii.…

Q: An online retailer stores information about the items purchased made by its customers. Each day the…

A: Answer: Option A The number of purchases made by an individual customer.

Q: This veterinarian hospital wants to set up a data warehouse containing various information about the…

A: star schema contains fact table and dimension table  th central table is a fact  table it contains…

Q: the ERD a third normal form solution for the following: lege keeps track of students and the courses…

A: It is defined as a Entity Relationship (ER) Diagram that is a type of flowchart that illustrates how…

Q: “Martial Arts R Us” (MARU) needs a database. MARU is a martial arts school with hundreds of…

A: Note: as per guidelines we are supposed to answer only one question at a time. please repost the…

Q: Device a category called Worker.

A: Employee.java public class Employee {     protected String name;   protected int number;   protected…

Q: EXPERIMENTAL PROCEDURE   Patients visit the hospital and their visit history is maintained by the…

A: Draw a dependency diagram and transform the above data to first normal form by eliminating repeating…

Q: in a shop ,there are 10 employee  and 20 kinds of  goods，goods id between 1-20 EMPLOYEE  id first…

A: I have to create two separate one for the interactive Start Button and next Step for the columns.…

Q: “Martial Arts R Us” (MARU) needs a database. MARU is a martial arts school with hundreds of…

A: A database is an organized collection of data that is organized and maintained in a manner that…

Q: The Motor Vehicle Branch administers driving tests and issues driver's licenses. Any person who…

A:

Q: A database at a college must support the following requirements: a. For a department, store its…

A: In this question, we were tasked with designing a database for a college that can support the…

Q: The Music Database The music database stores details of a personal music library, and could be used…

A:

Q: Database course: a. List the details of all the employees who are from the department number 2.…

A: where clause is used to put condition on column.  to_date is used to convert date string into date…

Q: The KCA library orders books from one or more book suppliers. Each order contains quantity of books…

A: From the given information: There are four main entities in this ERD: Book Member Order Supplier…

Transaction Processing

Transaction processing is a computational style generally performed by server computers, which supports interactive applications (apps). Transaction processing is also known as information processing, which divides the work into indivisible and individual operations called transactions. The transaction is a set of tasks; a single task is considered as the minimum processing unit that cannot be divided again.