|Турe of Relationship Briefly explain why you chose each relationship Customer to Purchase a. One to Many b. Many to One C. Many to Many Race to Runner a. One to Many b. Many to One c. Many to Many Letter to Destination a. One to Many b. Many to One C. Many to Many Concert to Song One to Many b. Many to One Many to Many a. C.
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Identify which type of relationship (with an a,b or c) and briefly explain why you chose the type of relationship you chose. (eg. Albums and Songs is one to many because one album has many songs)
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- Which of the following symbols represents an optional relationship in an E-R model?a. a straight lineb. a dashed linec. a straight line with a crow’s foot at both endsd. a straight line with a crow’s foot at one endThere is a great deal of flexibility in how keys are disseminated. Explain what's best and why it's the finest.I need an ER diagram for the following information For Hotel: HotelID (unique) and ANoOfRooms (number of rooms in the hotel) For Hotel: HotelID (unique) and ANoOfFloors (number of floors in the hotel) For each Room: RNO (partially unique, unique in the hotel) and ANoOfBeds (number of beds in the room) For each customer: CID (unique), CName (unique), For each manager: MID (unique), MFullName (composed of MFName and MLName), MBonus (not every manager has a bonus), MSalary, multiple MPhones For each employee: EID (unique), EName Each hotel has one or more rooms Each room is located on exactly one floor Each room is cleaned by one or two employees Each employee cleans 1-3 floors Each employee cleans 6-15 rooms Each customer has one or many rooms Each customer has booked one or mamy rooms Each room is booked by a customer or no one Each floor has one or many rooms Each manager resides in exactly one room Each manager resides on exactly one floor Each hotel either has one manager residing…
- Can you draw Entity Relationship (ER) diagram based on the text. (Please use the draw.io web site for drawing.) Entity: HoneynetCentralServer Attributes: server_id (Primary Key), cronjob_interval Relationships: one-to-many with Honeypot one-to-one with LogProcessor Entity: Honeypot Attributes: honeypot_id (Primary Key), ip_address, ssh_credentials, server_id (Foreign Key) Relationships: many-to-one with HoneynetCentralServer one-to-many with LogEntry Entity: LogEntry Attributes: log_entry_id (Primary Key), timestamp, message, action_type, attack_level, honeypot_id (Foreign Key) Relationships: many-to-one with Honeypot Entity: LogProcessor Attributes: processor_id (Primary Key), rule_filters, server_id (Foreign Key) Relationships: one-to-one with HoneynetCentralServer Entity: MongoDBAtlasDatabase Attributes: database_id (Primary Key), connection_string Relationships: one-to-many with StoredLogEntry Entity: StoredLogEntry Attributes: stored_log_entry_id (Primary Key), log_entry_id…Branch(BranchNo, B_Street, B_Suburb, B_Postcode, Staff_No*, Start_Date, Monthly_Bonus, Telephone1, Telephone2, Telephone3, S_Name*) Staff(StaffNo, S_Name, S_Address, Position, Salary,Branch_No*, Supervisor_No) Property(PropNo, P_Street, P_Suburb, P_Postcode, Type, NoOfRooms, WeeklyRent, AvailableForRent, AdOnOtherWebsites, Staff_No*, S_Name*) 1. For each of these relations, write down all functional dependencies. If there are nofunctional dependencies among attributes, you must state so. Subject: MYSQLCreate an ERD based on the Crow’s Foot notation with Microsoft Visio, using the following business rules or requirements: An INVOICE is written by aSALEREP. Each sales representative can write many invoices, but each invoice is written by a single sales representative. The INVOICE is written for a single Customer. However, each customer can have many invoices. An INVOiCE can include many detail lines (LINE), each of which describes one product bought by the customer. The product information is stored in a PRODUCT entity. The product's vendor information is found in a VENDOR entity.
- I am confused on this problem. It says: Use the terms primary key field, foreign key field, one-to-many relationship, parent table and child table to describe the following WHERE clause:WHERE Clients.ClientID = Projects.ClientID Does anyone know this problem?Question 13 sum .What is the relationship between Check in and Comment? One-to-one relationship One-to-many relationship Many-to-many relationship Full explain this question and text typing work only We should answer our question within 2 hours takes more time then we will reduce Rating Dont ignore this lineWhat is an example of an "IS-A" relationship? a column IS-A databasea keyboard IS-A peripheral devicea door IS-A windowa teacher IS-A studenta boy IS-A persona ball IS-A cube
- Give the table attached What is OldStooges ∩ NewStooges? What is OldStooges – NewStooges?Many-to-Many ERD CUSTOMER has: customer_id first and last names address TAPE has: tape_id title description length in minutes A CUSTOMER may rent many TAPEs. A TAPE can be rented by many CUSTOMERs. Draw a Crow’s Foot ERD that includes the bridge table between Customer and Tape to account fully for the many-to-many relationship. Course and Class ERD Table name: COURSE COURSE_ID TITLE DESCRIPTION CREDITS ACCT-211 Basic Accounting An introduction to accounting. Required of all business majors. 3 CIS-380 Database Systems I Database design and implementation issues. Uses CASE tools to generate designs and implement in a major RDBMS. 3 CIS-490 Database Systems II The second half of CIS-380. Basic Web database application development and management issues. 4 Table name: CLASS CLASS_ID COURSE_ID SECTION TIME LOCATION 100 ACCT-211 1 8:00 a.m. – 9:30 a.m. T-Th. AA 325 101 ACCT-211 2…I want to draw a sequence diagram, not words, I want to draw it. I want to draw a drawing, please understand me. • The system should allow employees to log in using their unique credentials. • The system should capture the employee's picture upon login and store it in a secure location. • The system should be able to track the employee's location and send this information to the admin in real-time. • The admin should be able to access and view the employee's location and picture from a central dashboard. • The system should allow employees to clock in and out, and the admin should be able to view and track the employees' working hours. • The system should allow employees to request and manage their leave from work. • The system should have a task management feature that allows employees to create and track their own tasks, as well as view and manage tasks assigned to them by the admin. • The system should have a notification system that alerts employees and the admin of important…