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Database Concepts Questions
1. Define and discuss the concept of transitive dependency.
2. What is a surrogate key, and when should you use one?
3. What is a partial dependency? With what normal form is it associated?
4. What three data anomalies are likely to be the result of data redundancy? How can such anomalies be eliminated?
5. What is normalization?
6. When is a table in 1NF?
7. When is a table in 2NF?
8. When is a table in 3NF?
9. When is a table in BCNF?
Write the script called checking that will take any number of filenames as command-line arguments and will print the names of those files that are readable and writeable text files.
Database schema for a customer sale database scenario: customer(cust_id,cust_name) primary key(cust_id). Item(item_id,item_name,price) primary key(item_id)
problem 1. produce a scatterplot of rent vs. size square meters of the apartment for the rental data in
q1with the new unsw timetabling system the lic of each course is required to specify what facilities they require in
How Technology Can Ease Supply Chain Management and Mitigate Risk - What is the purpose of performing a feasibility assessment
Create a report where 'Sales Query' is filtered for only AZ. Make the report look nice. Save the report as a HTML file. Add the report to the PowerPoint presentation on slide 3.
A small company allocates a certain amount of dollars to each department to be used to purchase things they need. The approved budget information is kept in the APPROVED-BUDGET file by department number in the purchasing system. When a department det..
Describe the benefits of implementing the ACME ‘Next Gen' strategy. Explain why it is important for an airline to use a real- time data warehouse
Write a SELECT statement that returns two columns: VendorName and PaymentSum, where PaymentSum is the sum of the PaymentTotal column.
Explain your process for coding and categorizing the qualitative data. What patterns and/or themes did you discover?
Note: The counties for the state capitals shown in the figure above are Travis and Williamson counties for Austin TX; Hartford county for Hartford CT; Clinton, Eaton, and Ingham counties for Lansing, MI; Davidson county for Nashville TN; Hughes co..
in the response to this forum note that you have successfully installed the product and what you experienced in the
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