DISCUSSION QUESTIONS (DQs).
Each DQ post must contain at least one citation from a source in support of your assertions, assumptions, opinions, or conclusions. This may be from your textbook, a source from the library, or another credible, i.e., academic source.
1. What is time-variant data, and how would you deal with such data from a database design point of view?
2. Explain why it would be preferable to use a DATE data type to store date data instead of a character data type. Explain the difference between an ORDER BY clause and a GROUP BY clause
3. What is the difference between a column constraint and a table constraint? What is the purpose of a CHECK constraint?
4. What is a trigger, and what is its purpose? Give an example. What is a stored procedure, and why is it particularly useful? Give an example.
5. If indexes are so important, why not index every column in every table? (Include a brief discussion of the role played by data sparsity.)
6. Explain and contrast differences and similarities between the DBA and DA
7. What factors are important in a DBMS software selection?
8. What are the advantages and disadvantages when an organization contains single vs multiple databases? (Consider the Organization contains databases from different companies like Oracle, Microsoft, etc.).
9. What are the most relevant differences between operational data and decision support data.
10. What are the main advantages and disadvantages of cloud computing services.
11. Explain the difference between scaling up and scaling out.
12. What is the difference between a name node and a data node in HDFS? How many name nodes and data nodes are there in HDFS?
What Students Are Saying About Us
.......... Customer ID: 12*** | Rating: ⭐⭐⭐⭐⭐"Honestly, I was afraid to send my paper to you, but you proved you are a trustworthy service. My essay was done in less than a day, and I received a brilliant piece. I didn’t even believe it was my essay at first 🙂 Great job, thank you!"
.......... Customer ID: 11***| Rating: ⭐⭐⭐⭐⭐
"This company is the best there is. They saved me so many times, I cannot even keep count. Now I recommend it to all my friends, and none of them have complained about it. The writers here are excellent."
"Order a custom Paper on Similar Assignment at essayfount.com! No Plagiarism! Enjoy 20% Discount!"
