R diagram of a small business database, queries to create database tables and constraints, queries to populate tables w
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Submit your final project as one or more text files as well as an image of an ER diagram.
Your project should include an ER diagram of a small business
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- A new sales ordering system needs a relational database that contains a customer table, a product inventory table, and an order table. Use a word-processing, graphics, or spread-sheet program to draw an entity-relationship diagram showing the relationships among these entities. Next, design each of these tables showing the keys and attributes to be included in each table. Include five sample records for each table.Submit a system requirement for cloud computing database management system. The system requirements model is to have combination of sections: requirements model business process model, data flow diagram data dictionary object model use case diagram. draw the image diagram and include text to ensure that the diagram has proper context within the overall system requirements model through written explanations. Your audience is IT management and the IT project team.For this project you will choose a business or use the previously chosen business to design a database through thestages.Your business must meet the following requirements: It must have 2 or more master or parent tables It must have 3 or more child or transaction tables The project will include the following elements for the chosen business.1. Introduction and Overview of the database2. Identify the business rules of this business as it applies to the data3. Create an Entity Relationship Diagram in crow’s feet notation.4. Create a relational diagram using a 3 column crow’s feet diagram. Make sure you include all primary and foreignkeys and data types on all columns.5. Create a table in the lab document to identify the primary key for each entity.6. Explain and apply the integrity rules for each entity.7. Use a table in the lab document to define the relationships between each entity. Make sure you list thecardinality of the relationships.8. Create the database in SQLite.9. Show SQL…
- Which of the following statements describes the role of an E-R diagram in the development of a relational database? Select one: a. An E-R diagram is transformed into the database design. b. An E-R diagram is transformed into the internal database. c. An E-R diagram is transformed into the physical database. d. An E-R diagram is used to represent the database requirements.using the design file in the image attached to the question : Normalize the database in the design file Be aware of the possibility of duplicate data. Name in Role and Employee and Emp_Contact_name all refer to the same data. Name and Email in Vendor refer to the Vendor. Assumptions made: An employee works with one or more vendors. An employee may have none or many dependents. An employee may have many roles over the employee's work history and a record should be retained for each role.A department of the university has a small car, which members of staff may use for work purposes. They need a database to keep track of who uses the car and any related expenses Design a database for recording the information on the staff member who books the departmental car and the date booked and returned, the car mileage and any claims for the fuel, parking and similar related expenses Create an Entity Relation Diagram showing the tables needed and the relationships between tables Create suitable fields for each table and select an appropriate primary key for each table select an appropriate foreign keys to connect the tables. If there is no adequate candidate key create necessary surrogate keys for the appropriate tables. For the tables in figure P3.24 you want to see data on charters flown by either Robert Williams (employee number 105) or Elizabeth Travis (employee number 109) as pilot or copilot, but not charters flown by both of them. Complete Items 3-5 to find this…
- I have assigned you to design the database for a new soccer club. Show the most appropriate sequence of activities by labeling each of the following steps in the correct order. 1) Create the application programs. 2) Create a description of each system process. 3) Test the system. 4) Load the database. 5) Normalize the conceptual model. 6) Interview the soccer club president. 7) Create a conceptual model using ER diagrams. 8) Interview the soccer club director of coaching. 9) Create the file (table) structures. 10) Get a general description of the soccer club's operations. 11) Draw a data flow diagram and system flowcharts. show the data flow diagram and the flowchartsTaking on the role of the project manager for your organization, you are responsible for supervising a team of five persons who are developing a database-driven web-based application for your company.The initial requirements elicitation meeting should include an exploration of three design problems that you would want to address.Which of the following is a key part of conceptual design in an entity relationship model? This model resolves the many-to-many relationships to multiple one-to-many relationships. This model adds all of the attributes for each entity. This model converts attributes into columns. This model does not depend on the database management software or the hardware used to implement the model.
- Design any database project. and use it to answer the following questions. Briefly describe your database and what it does. Write the names of five of your database tables and indicate their primary keys. Present your answer in a table format. For each table mentioned in (b) above, write down all the attributes you used in creating the table. Draw a diagram representing the type of Database Table Relationship existing between any two tables of your database.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…Discuss the benefits and limitations of various database models, such as relational, NoSQL, graph, and document-based databases. When would you choose one over the other for a specific project?
