cis 515,strayer cis 515,strayer cis 515 complete course,strayer cis 515 entire course

Question 1

STRAYER CIS 515 All Assignments (2 Set) NEW
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This Tutorial contains 2 Set of Papers for each Assignment
CIS 515 Week 1 Assignment 1 Accessing Oracle (2 Papers) NEW
CIS 515 Week 2 Assignment 2 Database Systems And Database Models (2 Papers) NEW
CIS 515 Week 3 Assignment 3 University Database (2 Papers) NEW
CIS 515 Week 4 Assignment 4 Database Modeling And Normalization (2 Papers) NEW
CIS 515 Week 6 Assignment 5 Tour Operator Agency Database (2 Papers) NEW
CIS 515 Week 7 Assignment 6 Sql Concepts And Database Design (2 Papers) NEW
CIS 515 Week 8 Case Study Database Development (2 Papers) NEW
CIS 515 Week 10 Technical Paper Database Administrator For Department Store (2 Papers) NEW

Answer 1

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Question 2

STRAYER CIS 515 All Discussions NEW

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CIS 515 Week 1 Discussion 1 Planning Database Design NEW
CIS 515 Week 1 Discussion 2 Database Modeling NEW
CIS 515 Week 2 Discussion 1 Maintaining Data Integrity NEW
CIS 515 Week 2 Discussion 2 Aggregate Queries NEW
CIS 515 Week 3 Discussion 1 The Entity Relationship Model NEW
CIS 515 Week 3 Discussion 2 Preparing an Adequate Data Model NEW
CIS 515 Week 4 Discussion Questions 1 Optimizing Database Design NEW
CIS 515 Week 4 Discussion Questions 2 Denormalization Functionality NEW
CIS 515 Week 5 Discussion Questions 1 Relational Set Operators NEW
CIS 515 Week 5 Discussion Questions 2 Advanced SQL and PL SQL NEW
CIS 515 Week 6 Discussion Questions 1 Planning the DBLC NEW
CIS 515 Week 6 Discussion Questions 2 Logical and Physical Design NEW
CIS 515 Week 7 Discussion Questions 1 Concurrency Control NEW
CIS 515 Week 7 Discussion Questions 2 Optimization for Transactional Processing NEW
CIS 515 Week 8 Discussion Question 1 Logical and Physical Design NEW
CIS 515 Week 8 Discussion Questions 2 Centralized versus Decentralized Database Management Systems NEW
CIS 515 Week 9 Discussion Questions 1 Database Connectivity Methods NEW
CIS 515 Week 9 Discussion Questions 2 Extensible Markup Language (XML) NEW
CIS 515 Week 10 Discussion Questions 1 Database Administrators Role NEW
CIS 515 Week 10 Discussion Questions 2 Database Security NEW
CIS 515 Week 11 Discussion Questions 1 Practical Database Management NEW
CIS 515 Week 11 Discussion Questions 2 Database Trends NEW

Answer 2

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Question 3

STRAYER CIS 515 Entire Course NEW

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CIS 515 Week 1 Assignment 1 Accessing Oracle (2 Papers) NEW
CIS 515 Week 2 Assignment 2 Database Systems And Database Models (2 Papers) NEW
CIS 515 Week 3 Assignment 3 University Database (2 Papers) NEW
CIS 515 Week 4 Assignment 4 Database Modeling And Normalization (2 Papers) NEW
CIS 515 Week 6 Assignment 5 Tour Operator Agency Database (2 Papers) NEW
CIS 515 Week 7 Assignment 6 Sql Concepts And Database Design (2 Papers) NEW
CIS 515 Week 8 Case Study Database Development (2 Papers) NEW
CIS 515 Week 10 Technical Paper Database Administrator For Department Store (2 Papers) NEW
CIS 515 Week 1 Discussion 1 Planning Database Design NEW
CIS 515 Week 1 Discussion 2 Database Modeling NEW
CIS 515 Week 2 Discussion 1 Maintaining Data Integrity NEW
CIS 515 Week 2 Discussion 2 Aggregate Queries NEW
CIS 515 Week 3 Discussion 1 The Entity Relationship Model NEW
CIS 515 Week 3 Discussion 2 Preparing an Adequate Data Model NEW
CIS 515 Week 4 Discussion Questions 1 Optimizing Database Design NEW
CIS 515 Week 4 Discussion Questions 2 Denormalization Functionality NEW
CIS 515 Week 5 Discussion Questions 1 Relational Set Operators NEW
CIS 515 Week 5 Discussion Questions 2 Advanced SQL and PL SQL NEW
CIS 515 Week 6 Discussion Questions 1 Planning the DBLC NEW
CIS 515 Week 6 Discussion Questions 2 Logical and Physical Design NEW
CIS 515 Week 7 Discussion Questions 1 Concurrency Control NEW
CIS 515 Week 7 Discussion Questions 2 Optimization for Transactional Processing NEW
CIS 515 Week 8 Discussion Question 1 Logical and Physical Design NEW
CIS 515 Week 8 Discussion Questions 2 Centralized versus Decentralized Database Management Systems NEW
CIS 515 Week 9 Discussion Questions 1 Database Connectivity Methods NEW
CIS 515 Week 9 Discussion Questions 2 Extensible Markup Language (XML) NEW
CIS 515 Week 10 Discussion Questions 1 Database Administrators Role NEW
CIS 515 Week 10 Discussion Questions 2 Database Security NEW
CIS 515 Week 11 Discussion Questions 1 Practical Database Management NEW
CIS 515 Week 11 Discussion Questions 2 Database Trends NEW

Answer 3

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Question 4

STRAYER CIS 515 Week 1 Assignment 1 Accessing Oracle (2 Papers) NEW

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Your instructor will provide you with login credentials to a Strayer University maintained Oracle server. Once you have received these credentials, you will need to log in to the Oracle server and document your login to verify your credentials work and you can complete the activities later in the course. This assignment requires the use of a snipping tool or print screen option on a keyboard to document the completion of this assignment.

Write a one to two (1-2) page paper in which you:

1. Use the print screen option on a keyboard or a snipping tool to capture screen shots of your telnet session into the Oracle server. Note: The graphically depicted solution is included in the required page length.
2. Briefly describe the steps used to log into the Strayer Oracle server.

Your assignment must follow these formatting requirements:

Be typed, double spaced, using Times New Roman font (size 12), with one-inch margins on all sides; citations and references must follow APA or school-specific format. Check with your professor for any additional instructions.

Include a cover page containing the title of the assignment, the student’s name, the professor’s name, the course title, and the date. The cover page and the reference page are not included in the required assignment page length.

Include diagrams or screen shots created through the use of a snipping tool or print screen keyboard option. The completed diagrams / screen shots must be imported into the Word document before the paper is submitted. The specific course learning outcomes associated with this assignment are:

Use technology and information resources to research issues in the strategic implications and management of database systems.

Write clearly and concisely about topics related to the strategic planning for database systems using proper writing mechanics and technical style conventions.

Answer 4

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Question 5

STRAYER CIS 515 Week 1 Discussion 1 Planning Database Design NEW

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“Planning Database Design” Please respond to the following:
The proper implementation of a database is essential to the success of the data performance functions of an organization. Identify and evaluate at least three considerations that one must plan for when designing a database.
Suggest at least two types of databases that would be useful for small businesses, two types for regional level organizations and two types for internationally wide companies. Include your rationale for each suggestion.

Answer 5

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Question 6

STRAYER CIS 515 Week 1 Discussion 2 Database Modeling NEW
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“Database Modeling” Please respond to the following:
Following a data model is important in the planning of a database system. Evaluate at least two classic models that are used in providing structure for database solutions.
Compare and contrast the effectiveness of classic models and recently evolved models such as Big Data and NoSQL. Give your opinion on which type of model is more effective and why.

Answer 6

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Question 7

STRAYER CIS 515 Week 2 Assignment 2 Database Systems And Database Models (2 Papers) NEW

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CIS 515 WEEK 2 ASSIGNMENT 2 DATABASE SYSTEMS AND DATABASE MODELS

Assignment 2: 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 (2-3) page paper in which you:

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.
Compare the code of the query you designed in Question one (1) to one that would show how much total compensation is paid to each employee for the same month.
Determine and explain the factors necessary to ensure referential integrity.
Create an object-oriented model to show how the tables are interrelated through the use of graphical tools such as Microsoft Visio, or an open source alternative such as Dia. 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.
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 such as Microsoft Visio, or an open source alternative such as Dia. Note: The graphically depicted solution is not included in the required page length.
Describe how Big Data could be used to assist in the productivity and forecasting of the organization’s products and resources.
Your assignment must follow these formatting requirements:

Be typed, double spaced, using Times New Roman font (size 12), with one-inch margins on all sides; citations and references must follow APA or school-specific format. Check with your professor for any additional instructions.
Include a cover page containing the title of the assignment, the student’s name, the professor’s name, the course title, and the date. The cover page and the reference page are not included in the required assignment page length.
Include charts or diagrams created in Excel, Visio, MS Project, or one of their equivalents such as Open Project, Dia, and OpenOffice. The completed diagrams / charts must be imported into the Word document before the paper is submitted.
The specific course learning outcomes associated with this assignment are:

Describe the role of databases and database management systems in managing organizational data and information.
Design and implement a database solution to solve a proposed business problem.
Use technology and information resources to research issues in the strategic implications and management of database systems.
Write clearly and concisely about topics related to the strategic planning for database systems using proper writing mechanics and technical style conventions.

Answer 7

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Question 8

STRAYER CIS 515 Week 2 Discussion 1 Maintaining Data Integrity NEW

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“Maintaining Data Integrity” Please respond to the following:
Describe the importance of maintaining integrity rules throughout the database structure. Create at least three examples of common relationships that are used within a relational database system.
Justify your response.

Answer 8

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Question 9

STRAYER CIS 515 Week 3 Assignment 3 University Database (2 Papers) NEW
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CIS 515 WEEK 3 ASSIGNMENT 3 UNIVERSITY DATABASE

Assignment 3: University Database
Due Week 3 and worth 90 points

A prestigious university has recently implemented a consolidation strategy that will require it to centralize their student records. In order to move forward, the local university will need to develop a data model that will retain student records and perform various data extract transform and load (ETL) processes. Imagine that you have been hired as a database consultant to assist in the development of a data design strategy for the student records.

You met with various university subject matter experts and have determined the following after performing various business analysis processes:

Faculty groups are divided by core competencies that the university offers. For example, there are groups such as the Art Faculty, Computer Technology Faculty, Language Faculty, and Science Faculty. Each faculty member has an assigned Dean and is designated to teach at one particular campus and school. They are able to teach as many courses as required.
Courses are categorized by course code and title. Certain courses have prerequisites and the university has asked for this to be cataloged as well.
There are various schools within each campus. For example, the Los Angeles campus holds the following schools: School of Science, School of Law, and School of Computer Technology. Additionally, each school offers different professional study programs such as Forensic Computer Science, Marine Biology, Business Management, and Civil Engineering to name a few.
The study path for students requires that they be enrolled in a specific professional study program. The professional study program requires the students to complete a specific set of core courses. The university also requires that an online grade book be available. The online grade book should show grades awarded to students for specific courses and the term they completed the course.
The university identifies each student by his or her name, date of birth, social, and professional study program.

Using these findings, write a three to four (3-4) page paper in which you:

Analyze the university’s requirements and provide a proposal to organize all the required data elements. The proposal should include the following:
Provide an Entity Relationship Model (ERM) that will describe the data structure that will store all data elements. Note: The graphically depicted solution is not included in the required page length.
Describe any assumptions or limitations for each relationship. For example, professors are able to teach more than one course or students can only be enrolled in one program.
Create the primary key and foreign keys using a UML Class diagram for each table.
Suggest at least four (4) types of business intelligence reports that could help the university in course management, student enrollment, or historical tracking. Support your answer by providing specific business functions that these reports could assist executives of the university.
As an alternative for development of the database, you are considering outsourcing the functions above. Research the Internet and other media sources for vendors who develop registrar and school management database systems.
Suggest three (3) vendors that developed and are employing efficient registrar and school management database systems and support your reasons to choose from one (1) of these three (3) vendors.
Compare and contrast the key aspects that each system offers. Examples of system aspects include but not limited to cloud based, pricing model, open source, etc.
Use at least three (3) quality resources in this assignment. Note: Wikipedia and similar Websites do not qualify as quality resources.

Your assignment must follow these formatting requirements:

Be typed, double spaced, using Times New Roman font (size 12), with one-inch margins on all sides; citations and references must follow APA or school-specific format. Check with your professor for any additional instructions.
Include a cover page containing the title of the assignment, the student’s name, the professor’s name, the course title, and the date. The cover page and the reference page are not included in the required assignment page length.
Include charts or diagrams created in Excel, Visio, MS Project, or one of their equivalents such as Open Project, Dia, and OpenOffice. The completed diagrams / charts must be imported into the Word document before the paper is submitted.

The specific course learning outcomes associated with this assignment are:

Describe the role of databases and database management systems in managing organizational data and information.
Recognize the historical development of database management systems and logical data models.
Design and implement a database solution to solve a proposed business problem.
Use technology and information resources to research issues in the strategic implications and management of database systems.
Write clearly and concisely about topics related to the strategic planning for database systems using proper writing mechanics and technical style

Answer 9

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Question 10

STRAYER CIS 515 Week 3 Discussion 1 The Entity Relationship Model NEW

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“The Entity Relationship Model” Please respond to the following:
Defining relationships within a database can improve search capabilities and optimal performance of the database in the long run. Identify at least two relationship strength types that can be used within the entity relationship model.
Using the classifications from part one of this discussion; provide a real word scenario that demonstrates each relationship strength classification.

Answer 10

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Question 11

STRAYER CIS 515 Week 3 Discussion 2 Preparing an Adequate Data Model NEW

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“Preparing an Adequate Data Model” Please respond to the following:
Using specialization hierarchies can provide an efficient application development structure. Justify the use of surrogate primary keys for a database design. Provide an example to support your response.
Historical data can be important to measuring performance. Prepare an example on how time-variant data can be properly captured and maintained within a database system.

Answer 11

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Question 12

STRAYER CIS 515 Week 4 Assignment 4 Database Modeling And Normalization (2 Papers) NEW

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CIS 515 WEEK 4 ASSIGNMENT 4 DATABASE MODELING AND NORMALIZATION

Assignment 4: Database Modeling and Normalization

Imagine that you work for a consulting firm that offers information technology and database services. Part of its core services is to optimize and offer streamline solutions for efficiency. In this scenario, your firm has been awarded a contract to implement a new personnel system for a government agency. This government agency has requested an optimized data repository for its system which will enable the management staff to perform essential human resources (HR) duties along with the capability to produce ad hoc reporting features for various departments. They look forward to holding data that will allow them to perform HR core functions such as hiring, promotions, policy enforcement, benefits management, and training.

Using this scenario, write a three to four (3-4) page paper in which you:
1. Determine the steps in the development of an effective Entity Relationship Model (ERM) Diagram and determine the possible iterative steps / factors that one must consider in this process with consideration of the HR core functions and responsibilities of the client.
2. Analyze the risks that can occur if any of the developmental or iterative steps of creating an ERM Diagram are not performed.
3. Select and rank at least five (5) entities that would be required for the development of the data repositories.
4. Specify the components that would be required to hold time-variant data for policy enforcement and training management.
5. Diagram a possible 1:M solution that will hold salary history data, job history, and training history for each employee through the use of graphical tools in Microsoft Word or Visio, or an open source alternative such as Dia. Note: The graphically depicted solution is not included in the required page length.
6. Plan each step of the normalization process to ensure the 3NF level of normalization using the selected five (5) entities of the personnel database solution. Document each step of the process and justify your assumptions in the process.
7. Diagram at least five (5) possible entities that will be required to sustain a personnel solution. The diagram should include the following:
a. Dependency diagrams
b. Multivalued dependencies
Note: The graphically depicted solution is not included in the required page length.

Your assignment must follow these formatting requirements:
• Be typed, double spaced, using Times New Roman font (size 12), with one-inch margins on all sides; citations and references must follow APA or school-specific format. Check with your professor for any additional instructions.
• Include a cover page containing the title of the assignment, the student’s name, the professor’s name, the course title, and the date. The cover page and the reference page are not included in the required assignment page length.
• Include charts or diagrams created in Excel, Visio, MS Project, or one of their equivalents such as Open Project, Dia, and OpenOffice. The completed diagrams / charts must be imported into the Word document before the paper is submitted.

The specific course learning outcomes associated with this assignment are:
• Recognize the historical development of database management systems and logical data models.
• Explain the fundamentals of how data is physically stored and accessed.
• Compose conceptual data modeling techniques that capture information requirements.
• Use technology and information resources to research issues in the strategic implications and management of database systems.
• Write clearly and concisely about topics related to the strategic planning for database systems using proper writing mechanics and technical style conventions.

Answer 12

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Question 13

STRAYER CIS 515 Week 4 Discussion Questions 1 Optimizing Database Design NEW

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“Optimizing Database Design” Please respond to the following:
Many legacy systems require normalization. Identify at least two factors that should be considered in order to produce an optimal normalized set of tables when performing normalization. Include in your discussion a detailed example on how each factor would eliminate data redundancy.
Optimal database design recognizes proper organization of table structures and relationships. Suggest at least two methods that can be used to improve the design of a database system.

Answer 13

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Question 14

STRAYER CIS 515 Week 4 Discussion Questions 2 Denormalization Functionality NEW

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“Denormalization Functionality” Please respond to the following:
Having an adequate data model to serve specific business needs of an organization is important. Evaluate the need for denormalization within an organization. Provide at least three examples that prove denormalization is useful to data consumers.
Using a data-modeling checklist can help database developers design efficient data repositories. Suggest at least two possible scenarios that could take place if one of the steps in the data-modeling checklist (table 6.7 in Chapter 6 of the textbook) is missed.

Answer 14

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Question 15

STRAYER CIS 515 Week 5 Discussion Questions 1 Relational Set Operators NEW
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“Relational Set Operators” Please respond to the following:
A relational Database Model allows database users to analyze data thoroughly. To accomplish this, advanced commands such as UNION and INTERSECT may be used. Describe a business scenario where a UNION relational set operator may be used to merge two similar data sets. Within the context of your business scenario, analyze the analysis and data consistency advantages of using a UNION operator rather than simply merging two data sets into one result table.
Suppose you are tasked with finding common data elements amongst various data sets. Specify how an INTERSECT operator may assist you in accomplishing this task. Construct a query that can perform the same function as the INTERSECT operator without using the “INTERSECT” syntax within the query. Note: The Strayer Oracle Server may be used to test and compile the SQL Queries developed.

Answer 15

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Question 16

STRAYER CIS 515 Week 5 Discussion Questions 2 Advanced SQL and PL SQL NEW
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“Advanced SQL and PL / SQL” Please respond to the following:
Extracting and interpreting data can be very valuable to an organization. Describe the importance of using sub queries in a database system. Provide at least two business case scenarios to support your response.

Answer 16

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Question 17

STRAYER CIS 515 Week 6 Assignment 5 Tour Operator Agency Database (2 Papers) NEW
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CIS 515 WEEK 6 ASSIGNMENT 5 TOUR OPERATOR AGENCY DATABASE

Assignment 5: Tour Operator Agency Database

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.

A multinational tour operator agency has gained new business growth in the North American market through the use of social media. Its operation has expanded by 50% within six months and the agency requires an enhanced data management strategy to sustain their business operations. Their existing data repository for its reservation processing system is limited in business intelligence and reporting functionalities. The tour operator seeks a database management specialist to assist them in leveraging their data sources to enable them to forecast and project tour sales appropriately.

Imagine that you have been hired to fulfill their need of enhancing the data repository for their current reservation processing system. Upon reviewing the system, you find that the data structure holds redundant data and that this structure lacks normalization. The database has the following characteristics:
•A table that stores all the salespersons. The table holds their employee id, first name, last name and “Tours sold” field. The “Tours sold” field is updated manually.
•A table that stores tour customer data and tours sold. The table holds customer name, address, city, state, zip code, tour(s) selected, number of persons in tour, and total amount paid. The current structure will show the customer more than once, if the customer books multiple tours.
•A tour table that is used as a tour rate sheet which holds the tours offered and the cost per person. Tour rates vary every three (3) months depending on the tourist season.

Write a three to four (3-4) page paper in which you propose an enhanced database management strategy. Your proposal should include the following:

1. Design a data model that will conform to the following criteria:
   a. Propose an efficient data structure that may hold the tour operator’s data using a normalization process. Describe each step of the process that will enable you to have a 2nd Normal Form data structure.
   b. Create naming conventions for each entity and attributes.
   c. Conclude your data model design with an Entity Relationship Model (ERM) that will visually represent the relationships between the tables. You may make use of graphical tools in Microsoft Word or Visio, or an open source alternative such as Dia. Note: The graphically depicted solution is not included in the required page length.
2. Construct a query that can be used on a report for determining how many days the customer’s invoice will require payment if total amount due is within 45 days. Provide a copy of your working code as part of the paper.
3. Using the salesperson table described in the summary above, complete the following:
   a. Construct a trigger that will increase the field that holds the total number of tours sold per salesperson by an increment of one (1).
   b. Create a query that can produce results that show the quantity of customers each salesperson has sold tours to.
4. Support the reasoning behind using stored procedures within the database as an optimization process for the database transactions.

Your assignment must follow these formatting requirements:
•Be typed, double spaced, using Times New Roman font (size 12), with one-inch margins on all sides; citations and references must follow APA or school-specific format. Check with your professor for any additional instructions.
•Include a cover page containing the title of the assignment, the student’s name, the professor’s name, the course title, and the date. The cover page and the reference page are not included in the required assignment page length.
•Include charts or diagrams created in Excel, Visio, MS Project, or one of their equivalents such as Open Project, Dia, and Open Office. The completed diagrams / charts must be imported into the Word document before the paper is submitted

Answer 17

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Question 18

STRAYER CIS 515 Week 6 Discussion Questions 1 Planning the DBLC NEW
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“Planning the DBLC” Please respond to the following:
The development of a database requires thorough methodology that ensures quality within the solution. Imagine you have been contracted to develop a finance database that will help an organization track monthly expenditures by departments. Using the DBLC, discuss the various activities that you would have to achieve each phase. Assess possible challenges that may exist within each phase. Suggest actions that one can perform to overcome these possible challenges.
To mitigate risks associated with a database, it is essential to consider common sources of database failures. Describe at least two possible database failures that may occur once a database is placed into operation. Suggest actions that may be performed to avoid or mitigate these possible failures.

Answer 18

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Question 19

STRAYER CIS 515 Week 6 Discussion Questions 2 Logical and Physical Design NEW

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“Logical and Physical Design” Please respond to the following:
In order to ensure optimal database performance, the logical and physical design should consider the user requirements thoroughly. Suppose you have been hired to transform a conceptual model into a logical model for a sales database. Describe the specific steps that you must perform in order to appropriately construct the database model. For each step mentioned, speculate the risks that would take place and how you would avoid or mitigate those risks.

Answer 19

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Question 20

STRAYER CIS 515 Week 7 Assignment 6 Sql Concepts And Database Design (2 Papers) NEW

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CIS 515 WEEK 7 ASSIGNMENT 6 SQL CONCEPTS AND DATABASE DESIGN

Assignment 6: SQL Concepts and Database Design
Due Week 7 and worth 90 points
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 work for a finance industry-based organization. Your organization is looking to submit its database design documentation to an evaluation team in order to meet Sarbanes-Oxley (SOX) compliance. You have been assigned to assist in preparing the documentation of the organization’s sales database. You are asked to propose a data dictionary that can be used to document the following:
• Employee (EmpNumber, EmpFirstName, EmpLastName, CommissionRate, YrlySalary, DepartmentID, JobID)
• Invoice (InvNumber, InvDate, EmpNumber, InvAmount, CustomerID)
• InvoiceLine (InvLineNumber, InvNumber, ProductNumber, Quantity)
• Product (ProductNumber, ProductDescription, ProductCost)
• Department (DepartmentID, DepartmentDescription)
• Job (JobID, JobDescription)
• Customer (CustomerID, CustomerName, CustomerAddress, CustomerPhone)
Write a three to four (3-4) page paper in which you:
1. Create a data dictionary that includes the following:
1. A description of the content for each field
2. The data type of each field
3. The format the data will be stored as in the field
4. The range of value for the field
5. A label, as required, if the attribute is a primary key or foreign key
Note: An example is shown in Table 7.3 in chapter 7 of the textbook.
2. Imagine that you are asked to identify the number of days that exist between the first invoice and last invoice for each month and complete the following:
1. Construct a query that will show the number of days that exist between the first invoice and last invoice, for each month, for each employee, using the DATEDIFF function. Be sure to provide the SQL script that will carry out this function.
2. Construct a query to show the expected payment date if invoices are due within 30 days of transaction.
3. Construct a query that will show distinct area codes of the customers.
3. Create a plan of the necessary activities that would be required to implement a valid database design process by including the following:
1. Steps in the conceptual design stage
2. Steps in DBMS selection stage
3. Steps in logical design stage
4. Steps in physical design stage
5. Task details of each activity within each stage

Answer 20

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Question 21

STRAYER CIS 515 Week 7 Discussion Questions 1 Concurrency Control NEW
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“Concurrency Control”
There are times when a database is accessed by many users across the enterprise. Transaction logs can help maintain concurrency in a multiuser platform. Describe at least two business scenarios where COMMIT and ROLLBACK would be required. Describe how these functions would be essential for business continuity and concurrency control. Identify how these functions would enable an organization to recover from a database corruption event.
Describe how locks could be used in order to qualify data transactions and enhance concurrency control. Suggest at least two business scenarios that would benefit from implementing locking methods.

Answer 21

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Question 22

STRAYER CIS 515 Week 7 Discussion Questions 2 Optimization for Transactional Processing NEW
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“Optimization for Transactional Processing” Please respond to the following:
Databases can grow in data structure and data capacity throughout time. At certain times, it is necessary to perform optimization techniques in order to ensure optimal performance of the database.

Answer 22

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Question 23

STRAYER CIS 515 Week 8 Case Study Database Development (2 Papers) NEW

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Due Week 8 and worth 90 points Read the following articles available in the ACM Digital Library:
Dual Assessment of Data Quality in Customer Databases, Journal of Data and Information Quality (JDIQ), Volume 1 Issue 3, December 2009, Adir Even, G. Shankaranarayanan.
Process-centered review of object oriented software development methodologies, ACM Computing Surveys (CSUR), Volume 40 Issue 1, February 2008, Raman Ramsin, and Richard F. Paige.
Please follow the steps below to access ACM Digital Library:
1.Login to iCampus at https://icampus.strayer.edu/login
2.From iCampus:
Click STUDENT SERVICES&raquo_space; Learning Resources Center&raquo_space; Databases
Scroll down to “Information Systems/Computing”
The ACM Digital Library is located below the heading “Information Systems/Computing”.
Write a two to three (2-3) page paper in which you:
Recommend at least three (3) specific tasks that could be performed to improve the quality of datasets, using the Software Development Life Cycle (SDLC) methodology. Include a thorough description of each activity per each phase.
Recommend the actions that should be performed in order to optimize record selections and to improve database performance from a quantitative data quality assessment.
Suggest three (3) maintenance plans and three (3) activities that could be performed in order to improve data quality.
From the software development methodologies described in the article titled, “Process-centered Review of Object Oriented Software Development Methodologies,” complete the following.
Evaluate which method would be efficient for planning proactive concurrency control methods and lock granularities. Assess how your selected method can be used to minimize the database security risks that may occur within a multiuser environment.
Analyze how the verify method can be used to plan out system effectively and ensure that the number of transactions do not produce record-level locking while the database is in operation.
Your assignment must follow these formatting requirements:
• Be typed, double spaced, using Times New Roman font (size 12), with one-inch margins on all sides; citations and references must follow APA or school-specific format. Check with your professor for any additional instructions.
• Include a cover page containing the title of the assignment, the student’s name, the professor’s name, the course title, and the date. The cover page and the reference page are not included in the required assignment page length.

Answer 23

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Question 24

STRAYER CIS 515 Week 8 Discussion Question 1 Logical and Physical Design NEW

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“Logical and Physical Design” Please respond to the following:
In order to ensure optimal database performance, the logical and physical design should consider the user requirements thoroughly. Suppose you have been hired to transform a conceptual model into a logical model for a sales database. Describe the specific steps that you must perform in order to appropriately construct the database model. For each step mentioned, speculate the risks that would take place and how you would avoid or mitigate those risks.
Suggest at least three activities that are required in the physical design process of a database to ensure adequate physical storage and data access. Analyze why user, security groups, and role definitions are essential to maintain the integrity of the database.

Answer 24

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Question 25

STRAYER CIS 515 Week 9 Discussion Questions 1 Database Connectivity Methods NEW
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“Database Connectivity Methods” Please respond to the following:
Database solutions today must be able to adapt and integrate among various computing applications. Determine at least three forms of database connectivity methods that can be used as an interface between applications. For each method, you have chosen, create an example that demonstrates how each could facilitate data exchange functionality in a cloud service environment.

Answer 25

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Question 26

STRAYER CIS 515 Week 9 Discussion Questions 2 Extensible Markup Language (XML) NEW
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“Extensible Markup Language (XML)” Please respond to the following:
XML provides a method for data to be transferred between systems. Specify at least three components of an XML document. Analyze how each component ensures data reliability and validation

Answer 26

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Question 27

STRAYER CIS 515 Week 10 Technical Paper Database Administrator For Department Store (2 Papers) NEW

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CIS 515 WEEK 10 TECHNICAL PAPER DATABASE ADMINISTRATOR FOR DEPARTMENT STORE

Technical Paper: Database Administrator for Department Store

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 the database administrator for a local department store. The department store has recently expanded by opening five (5) stores within your local region. They have also launched a series of marketing campaigns to attract new customers and increase sales. For your hired role, you will be responsible for creating and maintaining an enterprise-wide database system that will hold the sales and inventory data for the organization. The designed database will help operations in supporting its new business marketing strategy. Using the concepts presented throughout the course, you will develop a plan to create this database and establish a design that aligns with the product sales initiatives of the organization.

Write a twelve to fifteen (12-15) page paper in which you:

1. Identify the potential sales and department store transactions that can be stored within the database.
2. Design a database solution and the potential business rules that could be used to house the sales transactions of the department store.
3. Evaluate all relationships of each entity within your database solution using the Crow’s Foot notation. Include all data elements, entities, relationships (such as 1:M, 1:1, M:N), and cardinalities for the department store database in your diagram. Note: The graphically depicted solution is not included in the required page length.
4. Research the Internet for best practices of how retail stores use databases for retaining customers and increasing sales and complete the following:
   a. Justify how Big Data tools could be used for forecasting sales and inventory of the department store.
   b. Propose two (2) SQL Stored Procedures that use SQL functions to help sales associates perform explanatory or predictive analytics.
   c. Give your opinion on which of the two (2) ways you proposed in Question four (4) b provide greater value to expanding their business within the region.
   d. Provide a copy of your working SQL code as part of the paper.
5. Research the Internet for database vendors that provide cloud computing services and complete the following:
   a. Estimate the types of costs involved or the pricing structure required when implementing a cloud-hosted solution for a database.
   b. Analyze security considerations and pricing of the different cloud implementation types.
   c. Rank the cloud services options of Software as a Service, Platform as a Service and Infrastructure as a Service in terms of functionality, mobility, and ability to provide distributed transaction concurrency. Compare how these cloud-based services fit within an environment where users are mobile. Determine the technical provisions that would be required to ensure data integrity.
6. Evaluate whether the use of a distributed DBMS structure is appropriate and identify the optimization techniques that should be factored in to enhance the operations of the database in your design.
7. Provide at least two (2) examples of how lost updates and uncommitted data may occur, keeping in mind that five (5) stores will be generating transactions.
8. Determine the concurrency control factors that can be used to ensure valid execution of transactions within the current multiuser environment.
9. Research the Internet for backup and restoration recovery solutions and database security threats that could be applicable to the department store. Upon your research, complete the following:
   a. Suggest at least two (2) options that could be made available to provide disaster management functions for the database system within the retail environment.
   b. Assess the types of security threats that may exist when managing the department store database and suggest measure(s) that can be performed to minimize these threats that are particular to retail.
10. Use at least six (6) quality resources in this assignment. Note: Wikipedia and similar Websites do not qualify as quality resources.

Your assignment must follow these formatting requirements:
• Be typed, double spaced, using Times New Roman font (size 12), with one-inch margins on all sides; citations and references must follow APA or school-specific format. Check with your professor for any additional instructions.
• Include a cover page containing the title of the assignment, the student’s name, the professor’s name, the course title, and the date. The cover page and the reference page are not included in the required assignment page length.
• Include charts or diagrams created in Excel, Visio, MS Project, or one of their equivalents such as Open Project, Dia, and Open Office. The completed diagrams / charts must be imported into the Word document before the paper is submitted

Answer 27

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Question 28

STRAYER CIS 515 Week 11 Discussion Questions 1 Practical Database Management NEW

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“Practical Database Management” Please respond to the following:
Imagine that you have been hired to optimize and secure an existing database installation. Select at least three considerations that would enable the organization to extend database functionality and reliability, and enhance data transaction performance. Support your answer with technical considerations that could be implemented to leverage data services. Classify professional and technical skills that could enable you to be successful in this scenario.

Answer 28

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Question 29

STRAYER CIS 515 Week 11 Discussion Questions 2 Database Trends NEW
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“Database Trends” Please respond to the following:
Identify at least two industries that are currently using common data exchange and data management trends. Rank the success of each implementation based on the ease of implementation, ease of use, and costs. Speculate the data exchange and data management trends that may take place in the next five to 10 years. Justify your response.

Answer 29

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