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I have two classes in my application (designed by myself!): 1) estate 2) owner Here’s the problem: an estate can have several owners with different shares and the total share must be 100 percent. I want to check in estate.owners setter to be sure that the total share is 100 percent! ( in the otherRead more

Convert Figure 3.21 ‘An ER diagram for an AIRLINE database’ to IE (Crow’s Feet) notation. When you have your ERD in IE notation, you need to show foreign key migration as well as create and intersection entity for a many-to-many (M:n) relationship.Read more

I am having trouble grasping the ‘Relationship’ concept of an ERD. For example; You have Classroom and Furniture as your entities. If you were to put a relationship diamond with the word ‘Contains’ and a line between the two, how would one be able to tell which contains which? Obviously we know that Furniture cannotRead more

I am trying to print a diagram in PowerDesigner but the font size is illegible it is so small (think 30 tables on single piece of paper, it’s useless) Also there is no export diagram option available Is there a workaround? PD v15.2Read more

You need to track the following: For the supply product, your design must be able to store: • the supply’s classification (i.e. Paper Clip, Staples, Toner, etc.) • the supply’s retail name (i.e. Happy Time Paper Clips Cannon G-123 Toner, etc.) • the supply’s retail cost (price in dollars). • the supply’s packaging size (Small,Read more

What is the minimum number, $ s$ , of crossings in a link diagram for $ k$ (component) links knotted together such that cutting any single link frees all individual component links? Clearly if $ k=2$ (Hopf link), then $ s=2$ . If $ k=3$ , the Borromean rings show that $ s \leq 6$Read more

I need to draw a class diagram on mvc pattern for a college project which is agricultural based.it involves three modules 1.Vehicle:A vehicle having a camera and and raspberry pie attached to it will capture the video and do some image processing and detect the diseased plant leaf and send a notification to server .Read more

I’ve got a microservice called ExamResults, with a very simple component structure: ExamResults (offers: IExamResults) (requires: IExamResultsDAO) ExamResultsDAO (offers: IExamResultsDAO) This service gets passed exam results (student ids, exam ids, given answers) in JSON format, and the component ExamResults converts them to local domain objects, does some validation, and saves it in the database usingRead more

Currently my environment that I’m working with is using Oracle DB 12 and I have been granted view permission only. The issue is that the ER diagram that is given to me is not complete and sometimes retrieving data from different tables can be a challenge and time-consuming. Therefore, is there any easier way thatRead more

This is a part that troubles me. I don’t know if it’s ok. I tried to follow this instructions: 1) A client makes an order (wich has products). 2) When the client pays, he gets a bill with information about the order. Is this one ok? https://docs.google.com/drawings/d/1VguWuU9q5eyroJ1WShPYhbrr01E1xXpvwLdwJMHbMjk/edit?usp=sharing Or this one? https://docs.google.com/drawings/d/17qyDPkEbqikFe6FEGm_HqwyRsERZMHhsjhU6m7IobcE/edit?usp=sharingRead more