Explain factors necessary to ensure referential integrity

Assignment Help Database Management System
Reference no: EM131477521

Assignment: Database Systems and Database Models

The Strayer Oracle Server may be used to test and compile the SQL Queries developed for this assignment. Your instructor will provide you with login credentials to a Strayer University maintained Oracle server.

Imagine that you have been hired as a consultant to assist in streamlining the data processing of an international based organization that sells high-end electronics. The organization has various departments such as payroll, human resources, finance, marketing, sales, and operations. The sales department is the only department where employees are paid a commission in addition to their yearly salary and benefits. All other departments compensate their employees with a yearly salary and benefits only. Commission is paid by multiplying the employee's commission rate by the total amount of product units sold. You have access to the following data sets:

• Employee (EmpNumber, EmpFirstName, EmpLastName, CommissionRate, YrlySalary, DepartmentID, JobID)
• Invoice (InvNumber, InvDate, EmpNumber, InvAmount)
• InvoiceLine (InvLineNumber, InvNumber, ProductNumber, Quantity)
• Product (ProductNumber, ProductDescription, ProductCost)
• Department (DepartmentID, DepartmentDescription)
• Job (JobID, JobDescription)

Write a two to three page paper in which you:

1. Design a query that will allow the finance department to determine the commissions paid to specific employees of the sales department for the month of December. Note: You will need to generate the tables described above (Employee, Invoice, InvoiceLine, Product, Department, and Job) in order to compare and validate your code. Validated query code must be part of your paper.

2. Compare the code of the query you designed in Question one to one that would show how much total compensation is paid to each employee for the same month.

3. Determine and explain the factors necessary to ensure referential integrity.

4. Create an object-oriented model to show how the tables are interrelated through the use of graphical tools. Make sure that you are able to show the relationship types such as 1:M, 1:1, or M:1. Additionally, remember to include the determined factors from the previous assignment requirement. Note: The graphically depicted solution is not included in the required page length.

5. Identify which data components are the entities and attributes, and the relationship between each using an object representation diagram through the use of graphical tools. Note: The graphically depicted solution is not included in the required page length.

6. Describe how Big Data could be used to assist in the productivity and forecasting of the organization's products and resources.

Reference no: EM131477521

Questions Cloud

What is the primary purpose of expansion projects : What is the primary purpose of expansion projects and replacement projects? How do they differ from one another?
Explain the major figures that influence trait theories : Explain the major figures that influence trait and biological theories, the key concepts that determine personality formation.
Wavelengths of the light corresponding to spots : What is the difference (in nm) between the wavelengths of the light corresponding to these spots?
What are the six stages of the capital budgeting process : What is the link between a firm's business strategy and its capital budgeting process?
Explain factors necessary to ensure referential integrity : Determine and explain the factors necessary to ensure referential integrity. Create an object-oriented model to show how the tables are interrelated.
What is the wavelength of the light : Two bright fringes span a distance of 1.8 cm. What is the wavelength (in nm) of the light?
Angular momentum of the object : What would be the angular momentum of the object at this speed and location (assume velocity is perpendicular to displacement vector)?
Develop a vision statement for a project that will create : Develop a vision statement for a project that will create, deploy and maintain a statewide degree requirement information service.
Evaluate the given statement : Evaluate the following statement: "Although a firm may estimate cash flows improperly, it can resolve this deficiency by properly performing the other stages.

Reviews

Write a Review

Database Management System Questions & Answers

  Knowledge and data warehousing

Design a dimensional model for analysing Purchases for Adventure Works Cycles and implement it as cubes using SQL Server Analysis Services. The AdventureWorks OLTP sample database is the data source for you BI analysis.

  Design a database schema

Design a Database schema

  Entity-relationship diagram

Create an entity-relationship diagram and design accompanying table layout using sound relational modeling practices and concepts.

  Implement a database of courses and students for a school

Implement a database of courses and students for a school.

  Prepare the e-r diagram for the movie database

Energy in the home, personal energy use and home energy efficiency and Efficient use of ‘waste' heat and renewable heat sources

  Design relation schemas for the entire database

Design relation schemas for the entire database.

  Prepare the relational schema for database

Prepare the relational schema for database

  Data modeling and normalization

Data Modeling and Normalization

  Use cases perform a requirements analysis for the case study

Use Cases Perform a requirements analysis for the Case Study

  Knowledge and data warehousing

Knowledge and Data Warehousing

  Stack and queue data structure

Identify and explain the differences between a stack and a queue data structure

  Practice on topic of normalization

Practice on topic of Normalization

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd