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Instructions:
• Select at least three qualitative articles published within the last 5 years which addresses my topic I'll use in research.
• Review each of those articles and focus on the method and data analysis sections.
• Also, compose an essay where you create a paragraph about each of the articles that describes the study, including the approach used to gather and analyze the data.
• Follow this with a few pages in which you compare and contrast these. Clearly identify what is similar and different between the designs, and then explain why you believe the researcher adopted this specific approach.
• Provide a description of how you will apply this information as you develop your research study.
• Length: 5-7 pages.
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
List the entity classes and attributes that would be necessary for this information system.
How can turn a conceptual entity relationship diagram into a logical entity relationship diagram
Consider a relation schema r(A,B,C,D,E, F) and a set of functional dependencies {A BCD,BCDE,BD,DA}. Determine whether or not (A,E, F) is in BCNF and justify your answer. If (A,E, F) is not in BCNF,find a BCNF decomposition of it.
Explain the di?erence between external, internal, and conceptual sche-mas. How are these di?erent schema layers related to the conceptsof logical and physical data independence?
What functional dependencies can you conclude from the data above and what is the highest normal form R is in?
Write expressions in relational algebra to answer the queries - List the names of persons who do not own any car.
Should any of these tables be created on an as-needed basis?
You have been requested to give preliminary information on the data requirements for a GIS which is to be used to hold inventory of continental scale vegetation maps for coarse scale land surface
Principles of database design, as demonstrated by the database design for project - Designing and creating the following basic (master) tables for the application and "Employee" table, to hold the details of employees
In this project, you will use a database to answer questions about scholarships awarded to students at a college. You will create a relationship between two tables, create a query from an existing query, and create queries using text, numeric, com..
Based on the discussion of the Heather Sweeney Designs operational database (HSD) and dimensional database (HSD-DW) in the text, answer the following questions. Using the SQL statements shown in Figure 1, create the HSD-DW data-base in a DBMS
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