Explain how the facts, dimensions, and characteristics are used in the star schema to make it more effective.
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Explain how the facts, dimensions, and characteristics are used in the star schema to make it more effective.
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- Each student needs to do a literature review about OSI model (Open Systems Interconnection Model). In this regards, student needs to write a summary in report form. The summary report should not be more than 400 words, and complete the following tasks as part of summary report. Task 3.1: Explain the purpose and the advantages of OSI model. (20 Marks) Task 3.2: Explain OSI layers with a suitable diagram.One who created ADTs? Describe them. How do they function? What benefits can ADTs provide specifically? Is it possible that the idea of heredity makes solving difficulties simpler?In the ER-Model, what are the guidelines for properly recognizing entities and developing connections between them?
- Q1. Consider the given scenario for UML Modelling. We need to develop a website for online survey conduction. On this website, administrators can prepare a questionnaire for the survey and share it via email to the people who are registered users of the website. Once the survey is completed by end users, the web site manager would provide an analysis of the survey results and other feedback reports in any form like graphical or textual. Create a use case diagram for the complete system given in the scenario specifying primary and secondary actors whichever are applicable based on the given scope.Create UML diagrams to serve as a blueprint when designing the system's architecture in accordance with the 4+1 View model.Boston is made up of different campuses. Each campus is made of at least two major sub divisions, namely: academic and non-academic. The academic unit is made up of different department, each department comprises of different level, and each level is made of different students. Additionally, the non-academic is made up of the admin hub, security, facility managers, etc. 1. Using the top down approach, draw a hierarchical structure
- Explain UML deployment diagram with exampleWith all of those applications that we can use to create a complete block diagram from a high level overview into a super detailed block diagram (which is called the Schematic Diagram).Which application or software tool do you prefer in creating a block diagram? and Explain Why? (Is it user friendly? Much efficient? Does have more features? Easier to navigate?Justify your usage of facts, dimensions, and features in the star schema.
- Explain NEED assessment with a block diagram!CakePhP is a high-level PhP-based framework for developing Web applications. 1)List two of the features that CakePhP provides that make it easier to write web applications than using lower level modules such as cgi and Cookie. (2) CakePhP includes an Object Relational Mapper (ORM) module. Describe what an ORM is and the advantages of using one. Show with simple code examples how models are defined with the ORM and how data can be retrieved from the database. (Syntax details are not important, just the main features of how this works.)(3)How does CakePhP manage users and user authorization? For example, how would you ensure that only a logged in user could access a given page? Does CakePhp use cookies to manage user sessions or does it have some other mechanism?b) An ER/EER diagram modeling your database (use appropriate symbols, and don’t forgetassociative entities where appropriate). This will be based on the business rules you created, somake sure you’ve written clear rules! (30 points)• Feel free to use an appropriate design tool you would like for your ER diagram (e.g.http://draw.io), or do it by hand and scan it in; just make sure it is legible and that itfollows the notation/style taught in class. Do NOT use other styles, such as “Visio”notation that includes PK/FK.c) A list of normalized relations (using the notation from class) that is based on your ER diagram.Be sure to include foreign keys, etc. (30 points)