In modeling a database for university setting, students and classes have a ____ relationship. one-to-one one-to-many many-to-one many-to-many
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In modeling a
database for university setting, students and classes have a ____ relationship.one-to-one
one-to-many
many-to-one
many-to-many
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- DATABASE SYSTEMS: QUESTION: A local businesswoman has decided to start her own Internet business, called Masterpieces Ltd, hiring paintings to private individuals and commercial companies. Because of your reputation as a database designer she has called upon your services to design and implement a database to support her new business. At the initial planning meeting, to discuss the design, the following user requirements were requested. The system must be able to manage the details of customers, paintings and those paintings currently on hire to customers. Customers are categorized as B (bronze), S (silver), G (gold) or P (platinum). These categories entitle a customer to a discount of 0%, 5%, 10% or 15% respectively. Customers often request paintings by a particular artist or theme (e.g. animal, landscape, seascape, naval, still‐life, etc). Over time a customer may hire the same painting more than once. Each painting is allocated a customer monthly rental price defined by the owner.…Relationships in a database might be either identifying or non-identifying or generic.A tool that can help designers understand the dependencies of database structures is a
- DATABASE SYSTEM: QUESTION: A local businesswoman has decided to start her own Internet business, called Masterpieces Ltd, hiring paintings to private individuals and commercial companies. Because of your reputation as a database designer she has called upon your services to design and implement a database to support her new business. At the initial planning meeting, to discuss the design, the following user requirements were requested. The system must be able to manage the details of customers, paintings and those paintings currently on hire to customers. Customers are categorized as B (bronze), S (silver), G (gold) or P (platinum). These categories entitle a customer to a discount of 0%, 5%, 10% or 15% respectively. Customers often request paintings by a particular artist or theme (e.g. animal, landscape, seascape, naval, still‐life, etc). Over time a customer may hire the same painting more than once. Each painting is allocated a customer monthly rental price defined by the owner.…DATABASE SYSTEM: QUESTION: A local businesswoman has decided to start her own Internet business, called Masterpieces Ltd, hiring paintings to private individuals and commercial companies. Because of your reputation as a database designer she has called upon your services to design and implement a database to support her new business. At the initial planning meeting, to discuss the design, the following user requirements were requested. The system must be able to manage the details of customers, paintings and those paintings currently on hire to customers. Customers are categorized as B (bronze), S (silver), G (gold) or P (platinum). These categories entitle a customer to a discount of 0%, 5%, 10% or 15% respectively. Customers often request paintings by a particular artist or theme (e.g. animal, landscape, seascape, naval, still‐life, etc). Over time a customer may hire the same painting more than once. Each painting is allocated a customer monthly rental price defined by the owner.…A database's connections may be generic, non-identifying, or identifying.
- In a typical database environment, there should be at least nine separate things to talk about.Airline Management There is a report on poor management of an airline company in South Africa. As a results, the stakeholders decided that all information concerning the assets, operations, and the employees of the company should be organised with the use of a database management system. The database needs to store information about the Airplane (identified by planeid, name as planename, and cruise_range), Flights (identified by ftnum, place of departure as departfrom, destination as arriveto, total milage as tmilage, departure time as departtime, arrival time as arrivetime, and price). Pilots (identified by empid and planeid), and Staff (identified by empid, name as empname, and salary). The Staff relation consist of all the employees of the company including the pilots, and you have been hired to design and manage the database. Source: Okonkwo, C. (2021) Write an SQL query on the following: Determine the identity (planeids) of all airplanes that can fly from Johannesburg to Cape…Code for the following: Web application is written using the MVC (Model, View, Controller) architecture Web application is written using object-oriented PHP programming, including classes for: Database Connection & Information Products table model Products table DB Products table controller Categories table model Categories table DB Categories table controller Web application includes 3 user interface pages: Index/landing/navigation page Title: "Your Name Wk 3 GP" Page Header: Your Name Product Information Includes navigation links to all other pages Filename index.php Database Connection Status page Title: "Your Name Wk 3 GP" Page Header: Your Name Database Status Includes: Text display of the database name Text display of the database user ID Text display of the database password Text display of the status of the connection (successful or unsuccessful) Navigation link to the home page Filename db_conn_status.php Products page (and Product Add/Update page) Title: "Your Name Wk 3…
- How does data binding differ in the context of desktop applications (e.g., Windows Presentation Foundation) compared to web applications?ER Modeling Suppose you are given the following requirements for a simple database for the National Hockey League (NHL): The NHL has many teams Each team has a name, a city, a coach, a captain, and a set of players Each player belongs to only one team Each player has a name, a position (such as left wing or goalie), a skill level, and a set of injury records A team captain is also a player A game is played between two teams (referred to as host_team and guest_team) and has a date (such as May 11th, 1999) and a score (such as 4 to 2). Draw the ER diagram to represent the above scenarioComputer Science A bridal company called Petals would like to create a database for their clients and the weddings they coordinate. The weddings they would like to track have the following details: The date of the wedding, the address, the wedding’s start time, an automatically generated ID and the marriage officer that will preside over the wedding. In more detail they would like to track the theme name and descriptions of “themed” weddings and if the wedding is an “out of town” wedding they would like to track the hotel name that will put up the guests. It is possible foe petals to have a themed out of town wedding, as well in town un-themed weddings. Each wedding is catered by a caterer that has a caterer-id, name, various phone numbers and an email address. The caterer can be re-used to cater for several weddings, even if more than one wedding is on the same day. Petals would like all weddings to indicate the cater before the wedding is booked. Draw an Entity Relationship Diagram…