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Question: 1. What are the shortcomings of HDFS and how we should address it?
2. What are the advantage of SQL based technologies?
3. How can address the HDFS problems by adapting some of the SQL advantages?
The response must be typed, double spaced, times new roman, font size 12 and must follow APA format.
Write a five to ten (5-10) page design document in which you: Create a database schema that supports the company’s business and processes. Explain and support the database schema with relevant arguments that support the rationale for the structure
In this phase, you will create tables based upon the ERD and SQL code below. You will then populate each table with the data presented below.
Apply appropriate data types and consider what information will join the tables together using a relationship.
Find the break-even point for each process. What is the monthly profit or loss if the company chooses the manual process and sells 70,000 bags per month?
Identify the key determinants that could affect the degree of normalization of a database. Justify your response. Next, identify the aspects of the database design that can be denormalized.
What dimensions do you have, and why? Also include a discussion on why they are composed in this manner.
Suppose you have a relation schema about teaching classes that has the following attributes: Class, Instructor, Time and Room - based on your understanding of this scenario, what functional dependencies can you identify that hold on this relation?
Show all the columns from the Orders table that were paid with a Visa Card and have been shipped to the customer (hint: not a null). Order results by the Item Price in descending order.
One of the new classes must be based on a reference extending an existing class from package task02 directly(similar to how Customer extends Person in the sample code).Do not repeat that package task02 class in the task03 package.
one of the needs that your client has is a database.to design a database a database planner should spend a considerable
Let R be a relation schema with a set F of FDs. Prove that the decomposition of R into R1 and R2 is lossless-join if and only if F+ contains R1 ∩ R2 → R1 or R1 ∩ R2 → R2.
How can you find the minimal key of relational schema? What do you understand by dependency preservation?
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