Identify a list of entities
Q: • Consider the following scenario A company provides catering services for clients who need…
A: Actually, given information: A company provides catering services for clients who need…
Q: Which ones are super keys for course? (a) course id (b) course id, title (c) course id, title,…
A: The attributes “course_id” and “title” can be used to identify the rows of “course” table uniquely.…
Q: Consider the following relations for a database that keeps track of student enrollment in courses…
A: A relational database is a type of database that keep data and access points that are related to…
Q: Consider the following scenario and draw an E-R diagram for Mozar. Mozar has decided to store…
A: Entities: ----------------------------------- Album : Attributes: Title, Copyright date Format,…
Q: Based on Figure 1.0, draw a DataBase Model of your choice then explain how this model relate to…
A: Below i have shown:
Q: Universities have many professors. However, administrative heads (such as department heads) may not…
A: Introduction: Because data is saved in tables in a relational database, the connection between these…
Q: A professor teaches many courses in a university. However, some professors who are the…
A: Here the entity we have are Professor Course A professor can teach zero or many course. Therefore…
Q: Draw a database ER model about airport Covid-19 procedure (can include entities like passenger,…
A: ER diagram will contain Airport Flight Worker/ Employee Ticket Store Supplier and all their…
Q: a representation of the data in terms of entities , attributes and relationships between entities .…
A: It is defined as a systematic collection of data. They support electronic storage and manipulation…
Q: /Consider a database used to record persons and each person has name, age, phone number, and…
A: Answer in step 2
Q: Consider the following scenario and draw an E-R diagram for Mozar. Mozar has decided to store…
A: Introduction :We have to draw an ER-Diagram of the given database.
Q: Map the database schema shown in the following figure into a relational database schema. grade…
A: Actually, A database is an organized collection of data, so that it can be easily accessed and…
Q: Map the relational schema of Figure 6.14 into an ER schema. This is part of a process known as…
A: the answer is an given below :
Q: Write down if the following sentences are true or false. a. A database system includes both DBMS…
A: Since we can answer only up to one question and three subparts. So we'll answer the first three…
Q: Consider the following relations for a database that keeps track of student enrollment in courses…
A: The answer has given below :
Q: Consider the following information about a university database:
A: The most important step for drawing an ERD diagram is to identify the entities in the database. The…
Q: ERD 2: Consider an online auction database system in which members (buyers and sellers) participate…
A:
Q: Wally Los Gatos decides to pursue a law degree. After graduating, he has teamed up with Lyla El…
A: For Wally Los Gatos, create an entity-relationship diagram.
Q: Consider a database system for a Wholesale Management System. The data requirements are summarized…
A: ER Diagram: ER diagram consists of entities with their corresponding attributes and relationships…
Q: Consider the following information about a university database: ▪ Professors have an SSN, a name, an…
A: The answer is given in the below step
Q: Design a database for an automobile company to provide to its dealers to assistthem in maintaining…
A: Given: Design a database for an automobile company to provide to its dealers to assistthem in…
Q: Design a database for an airline-system. The database must keep track of customers and their…
A: Create a flight database. The website should keep track of customers and their bookings, flights and…
Q: Suppose you are asked to design a club database system based on the following information. Each…
A: Entity relationship (E-R) diagram consists of three major components that are: Entities, Attributes…
Q: Create a Crow’s Foot ERD for each of the following descriptions. (Note: The word many merely means…
A: Database Management System is essentially a software or application package that controls the…
Q: Assume two students wish to enrol in the same course, but there is only space for one additional.…
A: Intro in the database, we have a concept of locks where when we try to update a record we need to…
Q: Exercise 2.3 Consider the following information about a university database: Professors have an SSN,…
A: Daigramitically shown
Q: 2. The figure below shows part of an ER diagram. Map the part shown here to relational database…
A: A relational database schema is something which describes about the table. The schema includes the…
Q: Draw a DataBase Model of your choice then explain how this model relate to every entities
A: Given: Using the figure below. Draw a DataBase Model of your choice then explain how this model…
Q: Consider the E-R diagram for a university database as shown in Figure 1. What is NOT true about…
A: Explanation: From the E-R diagram, one can identify that instructor and student are related to each…
Q: Consider a GRADE_BOOK database in which instructors within an academic department record points…
A: the solution is an given below :
Q: The Acme Company wants to construct a database to keep track of the company’s employees,…
A: Please check ER diagram on step 2
Q: the the number name the number the birth the Date name name number Phone section Works N the…
A: In this question, we have 4 entities that are Section, the employee, son, and project. Each entity…
Q: Consider a database that consists of the following relations. SUPPLIER(Sno, Sname)) PART(Pno, Pname)…
A: SUPPLIER(Sno, Sname)) PART (Pno, Pname) PROJECT(Jno, Jname) SUPPLY (Sne, Pne, Jno)
Q: A hospital consists of various specialized wards where each ward has its unique ID, name and…
A: Question given: Entity - Relationship Diagram for Hospital Management System Entity - Patient,…
Q: Consider a fashion database used to store the information of designers, each designer is identified…
A: Following is the ER diagram that models the designers and other entities and also the relationship…
Q: Assume you have been contracted by a university to develop a database system to keep track of…
A: Actually, database is a used to stores the data/information.
Q: Consider a database used to record the marks that students get in different exams ofdifferent course…
A: According to question : Considered the following attributes to draw the ER diagram: The entities…
Q: must have a member ID, name and contact number, can be enrolled in one or more gym session. A gym…
A: A well-structured database starts from an effective Entity Relationship Diagram (ERD). For this part…
Q: Consider the following relations for a database that keeps track of student enrollment in courses…
A: Actually, database is a used to stores the data.
Q: Create the ER Diagram for the following information. ERD must represent entities, attributes and…
A: Attributes → Bill , Imsurance PolicyEntities → Doctor , PatientRelation → Appointment , Schedule ,…
Q: Consider the following scenario A company provides catering services for clients who need…
A: Actually, given information: A company provides catering services for clients who need…
Q: Give an example of three entities that might exist in a database for a medical office, and list some…
A: Entity: Entity is the basic block for building the data collected about person, place, event, or…
Q: Consider the following entity relationship diagram (ERD). where two entities E1 and E2 have a…
A: You have asked multiple questions so we will answer the first one for you. If you want any other…
Q: Develop an EER model for the following situation using the traditional EER notation, the Visio…
A:
Q: Suppose you are given the following requirement for a simple database for the employee management…
A: Consider the ER diagram for the company database. The employee may work in up to two departments or…
Q: Consider the following schema for a company database and answer the following questions: DEPARTMENT…
A: CREATE statement is used to create any table in the database. The language to create the data base…
Q: Consider the following information about a university database: • Professors have an SSN, a name, an…
A: Answer: I have given answered in the handwritten format in brief.
Q: Specification Suppose you are asked to design a club database system based on the following…
A: Introduction: E-R Diagram: An Entity-Relationship (ER) diagram is a type of flowchart that…
Q: Consider the ER diagram for a Software Testing database below using UML class diagram symbols. Map…
A: The Answer is
Consider the following scenario
A company provides catering services for clients who
need special occasion, celebratory dinners. For each
dinner, a number of dishes are to be offered. The dinner
will be held at a venue. The company will provide staff to
serve meals at the venue.
The company needs a
this business activity
–
Identify a list of entities
Step by step
Solved in 2 steps
- Typically, a hospital patient receives medication that have been ordered by a particular doctor. Because the patient often receives several medication per day, there is a 1:M relationship between PATIENT and ORDER. Similarly, each order can include several medications , creating a 1:M relationship between ORDER and MEDICATION.a. Identify the business rules for PATIENT, ORDER and MEDICATIONb. Create a Crow's Foot ERD that depicts a relational database model to capture these business rules.Consider the following Scenario.Design a database for an airline. The database must keep track of customers andtheir reservations, flights and their status, seat assignments on individual flights,and the schedule and routing of future flights. Your design should include an E-Rdiagram, a set of relational schemas, and a list of constraints, including primary-keyand foreign-key constraints.Please determine the entities, attributes and relationships that should exist in thedatabase and draw an E-R diagram.Consider the following scenario and draw an E-R diagram for Mozar. Mozar has decided to store information about musicians who perform on its albums (as well as other company data) in a database. Each album that is recorded on the Mozar label has a title, a copyright date, a format (e.g., CD or MC), and an album identifier. Each album has a number of songs on it, but no song may appear on more than one album.Each album has exactly one musician who acts as its producer. A musician may produce several albums, of course. Each musician that records at Mozar has a SerialNo, a name, an address, and a phone number. Each address is made up of a street, a city and a postcode. Each musician may play several instruments, and a given instrument may be played by several musicians. Each instrument that is used in songs recorded at Mozar has an instrumentID, name (e.g., guitar, piano, flute) and a musical key (e.g., C, B-flat, E-flat). Each song is performed by one or more musicians, and a musician…
- Draw the relationships and entities model for each of the following: * in the traditional way* for example: see the pic??. In the database of the library, the author can author more than one book, and the book can be subscribed toWritten by more than one authorConsider a database system for a Wholesale Management System. The data requirements are summarized as follows: o Maintain the details of stock like their id, name, quantity. o Maintain the details of buyers from which manager must buy the stock like buyer id, name, address, stock id to be bought. o Details of customers i.e. name, address, id. o Defaulters list of customers who have not paid their pending amount after the due date So List of payment paid or pending. o The stock that is to buy if quantity goes less than a particular amount. o Profit calculation for a month. o Quantity cannot be sold to a customer if the required amount is not present in stock and date of delivery should be maintained up to which stock can be provided. SQL Queries: 1. List of payment paid or pending customers. 2. Find the Defaulters list of customers who have not paid their pending amount. 3. Find the details of customers name, address, id. 4. Find Query to get information of employee where employee is…Suppose that you have been tasked with cataloging the information found in books. Either more books need to be added, or the ones now stacked on one side of the shelf need to be rotated. Find the optimal data structure and explain why it works here. Provide a flexible method of stocking the bookcase. What happens, meanwhile, if fresh information must be added to a database but there isn't enough space for it?
- 5.14 - Consider the following six relations for an order-processing database application in a company: CUSTOMER (Cust#, Cname, City) ORDER (Order#, Odate, Cust#, Ord_Amt) ORDER_ITEM (Order#, Item#, Qty) ITEM (Item#, Unit_price) SHIPMENT (Order#, Warehouse#, Ship_date) WAREHOUSE (Warehouse#, City) Here, Ord_Amt refers to total dollar amount of an order; Odate is the date the order was placed; Ship_date is the date an order (or part of an order) is shipped from the warehouse. Assume that an order can be shipped from several warehouses. Specify the foreign keys for this schema, stating any assumptions you make. What other constraints can you think of for this database?Develop an EER model for the following situation using EER notation, as specified by your instructor. An international school of technology has hired you to create a database management system to assist in scheduling classes. After several interviews with the president, you have come up with the following list of entities, attributes, and initial business rules: • Room is identified by Building ID and Room No and also has a Capacity. A room can be either a lab or a classroom. If it is a classroom, it has an additional attribute called Board Type. • Media is identified by MType ID and has attributes of Media Type and Type Description. Note: here we are tracking type of media (such as a DVD, projector, etc.), not the individual piece of equipment. Tracking of equipment is outside of the scope of this project. • Computer is identified by CType ID and has attributes of Computer Type and Type Description, Disk Capacity, and Processor Speed. Please note: as with Media Type, we are tracking…Draw an ER diagram and then map it into a relational schema(database) for the following scenario.• For each MEMBER we keep track of the unique MemdID, a well as Name, Zip, and the Datethe membership was paid.• For each MEMBERSHIP type we keep track of the unique Mid, as well as MName and Price• For each PASS CATEGORY we keep track of the unique PassCatID, as well as PCName andPrice• For each ONE DAY PASS we keep track of the unique PassID and Date• For each MERCHANDISE item we keep track of the unique MrchID, as well as Name andPrice• For each sale TRANSACTION we keep track of the unique Tid and Date• Each member pays for exactly one membership type; each membership type has at leastone member but can have many members.• Each member can buy many day passes but does not have to buy any, each day pass wasbought by exactly one member• Each day pass belongs to exactly one pass category; a pass category can have manyindividual day passes issued for it but does not have to have any. • Each…
- Consider the following relations in the relational schema for a database that keeps track of business trips of Sales Representatives in a sales office: salesperson(SSN, lName, startYear, deptNo) trip(tripID, SSN, fromCity, toCity, departureDate, returnDate) expense(tripID, accountNumber, amount) Part 1 Answer the Following 3 Questions. Places Your Answers in a Word Processor identify the primary key for each table. Identify the foreign keys in each table. Given the above foreign keys, list the order in which the tables could be successfully created. Write your Answers using a Word Processor Review the Relational Schema and other necessary material in this assignment to create the metadata document for the above relational schema. Write your Metadata using a Spreadsheet or a Word Processor. Submit the Final Version as a PDF Open up a text editor such as Visual Studio Code. Write the SQL SELECT Queries to respond to the following Information Requests Find…Consider the following relations for a database that keeps track of student enrolment in courses and the books adopted for each course: STUDENT(SSN, Name, Major, Bdate) COURSE(Course#, Cname, Dept) ENROLL(SSN, Course#, Quarter, Grade) BOOK ADOPTION(Course#, Quarter, Book_ISBN) TEXT(Book_ISBN, Book Title, Publisher, Author) Draw a relational schema diagram specifying the foreign keys for this schema. Consider the following relations for a database that keeps track of student enrolment in courses and the booksadopted for each course: STUDENT(SSN, Name, Major, Bdate) COURSE(Course#, Cname, Dept) ENROLL(SSN, Course#, Quarter, Grade) BOOK ADOPTION(Course#, Quarter, Book_ISBN) TEXT(Book_ISBN, Book Title, Publisher, Author) Draw a relational schema diagramspecifying the foreign keys for this schema.Construct an ER Diagram from the following case study A new established company database needs to store information about employees (identified by NIC, 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 about a child once the parent leaves the company.