Continuing with the Vince's Vinyl scenario from Hands-On Database, in an Excel spreadsheet, take a look at each of the forms and make a list of all the nouns. Set up some preliminary entities and identify some key fields.
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Continuing with the Vince's Vinyl scenario from Hands-On
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- Mapping this class diagram to a relational database during the design phase of the Software development (don't draw ER diagram, Just tables)Draw an ER Diagram of the Library Database. Draw an EER Diagram of the Library Database. Include look near notations, and show cardinality. Make sure to point out the primary and foreign keys.Kindly go through this. The database development starts with the requirements analysis. There are many sources for gathering requirements. One of the important sources for requirements is “user interview”. During these interviews, users are asked about what kind of a system they need. Then requirements gathered from the interviews are transformed into a data model. Assume that a database designer made an interview and created an E-R diagram as above. Write a scenario that the user described requirements as in the Library Management System case study in Chapter 3.3 of Sharma et al. (2010, p. 77) during the interview - 3.3 A case study involving a Library Management System - This case study describes a simple Library Management System. Assume the requirements for the system were written by your client exactly in these terms:"The system will manage author's and loaner's information, and keep track of books loaned. The borrower's information includes name, address, e-mail, and phone. The…
- Design and draw an ER diagram that captures the information about the university. Consider thefollowing information about a university database: Professors have an SSN, a name, an age, a rank,and a research specialty. Projects have a project number, a sponsor name (e.g., NSF), a startingdate, an ending date, and a budget. Graduate students have an SSN, a name, an age, and a degreeprogram (e.g., M.S. or Ph.D.). Each project is managed by one professor (known as the project’sprincipal investigator). Each project is worked on by one or more professors (known as theproject’s co-investigators). Professors can manage and/or work on multiple projects. Each projectis worked on by one or more graduate students (known as the project’s research assistants). Whengraduate students work on a project, a professor must supervise their work on the project.Graduate students can work on multiple projects, in which case they will have a (potentiallydifferent) supervisor for each one. Departments have a…Create an ER diagram that correctly describes the database for exams at Campus in Bäcksvängen in accordance with the following description: (Own assumptions must be clearly described.) Staff for various functions are involved in the exams. All staff have a full name and a unique staff code. Some people are examiners on one or more courses. A course has one name and one unique ladok code. For a course, you can add up its points based on the associated elements. One part is part of a course (for example an exam, a laboratory or project). A course can have several different parts. An element has a name, a description, a torque code, one point and two or more grades (eg: U, G, VG). An element can only belong to one course. Since the database is to process the exams, it is obvious that a part like described as an examination has an examination opportunity that is identified, among other things, by the date, start time, end time and that it is possible to calculate total writing time. A…Continuing with the Vince's Vinyl scenario from Hands-On Database, create an updated ERD after Normalization ? The diagram could pass the first three levels of normalization. There are a couple of issues, though, that could lead to further normalization: Customers and Sellers can be the same people. This could lead to update anomalies as the same person could have their information in two places. The solution is to create a Person entity that contains all names, phone numbers and email addresses. The person key could represent them in either role in Sale, Request, or Purchase. Another subtle issue relates to the entity Album. If Vince were to remove an album, and it was the only copy of that album, he would lose the album information. Also, there is potential redundancy in Album, since each physical vinyl is treated as an individual item in the table. Multiple copies of the same album would result in multiple entries identical except for purchase date and perhaps condition. To solve…
- No external sources may establish a direct link to the database. It's a consideration for any data flow diagram creators out there. What does this suggestion imply?Draw a database ER model about airport Covid-19 procedure (can include entities like passenger, flight, PCR), with relationship between them. Please don’t make a small database ER, I want as many information as possible.Create a simple database diagram (detailed) for a Pakistan Super League (PSL). 1. The PSL has many teams2. Each team has a name, a city, a coach, a captain, and a set of players3. Each player belongs to only one team4. Each player has a name, a position (Opener, Middle Order, Tail Ender), a skill level (Expert Batsman, All Rounder, Expert Bowler), and a set of injury records.5. A team captain is also a player.6. A game is played between two teams (referred as host team and guest team) and has a date and a score (such as 156 to 142).
- Integrate any programming language to mySQL with the implementation of Database Normalization and Creation of ER Model. What should I expect? 1. User login interface 2. An interface where I can input my details. (User registration form, Freshman Application Form, Credit Card Application Form, Bank Account Opening Form, and etc.) These are just samples, you can think of your own, of course. 3. From one whole big interface of registration form or any above-mentioned items, I should see the database normalization implemented from whole big table (1NF) to 3NF. The expectation is that the database should have 1NF table and lastly the 3NF tables.Direct connections between external entities and the database are not permitted under any circumstances. It should be kept in mind as one of the data flow diagram design concepts to consider. What do you think the repercussions of this suggestion will be?Describe each and every step about diagram, clearly ?