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Problem 1:
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?
Problem 2:
Research the definition of a "minimal cover". Explain it in your own words and give an example.
Design the Update trigger on Part table which raises an error string if Count field of updated row has a higher value than value prior to Update.
MGMT321 Group Project : You were hired as an analyst to develop a new information system to automate the payroll transactions in a mid-size organization. The proposed system will contain employees’ data and interface with the organization’s General ..
Write a query to determine the cost of the least expensive part in the part table? Format the returned price in dollars and cents using the correct function.
Describe relationships with the example. Also illustrate degree of relationship for that example. Describe the different operations of relational algebra with suitable example each.
Suggest how to implement direct-address table in which keys of stored elements don't require to be distinct and elements can have satellite data.
Monitor Renal Outcomes in patients post cardiac bypass surgery?
Sort ascending by consultant ID and Date Opened. Don't show tickets with category ID of 0. HINT: You will require to use SELECT query with an alias in builder for the column.
In 500 words or less, trace the history of the development of databases beginning with pre-computer days to the present.
Create a Data Warehouse conceptual design using Star Schema Modelling and document all steps during the design process
Integrity constraint prevent from happening when data is inserted in table which contains this constraint? Let INSERT, UPDATE, and DELETE actions on both child and the parent.
You have been asked to design database design for BoingX Aircraft Company (BAC), that has two products: TRX-5A and TRX-5B HUD (heads-up display) units.
Optimistic concurrency control sets few locks on the data in the database, lowering the isolation level that you use in an application. This allows more applications to run concurrently and potentially increases the throughput of the applications. Th..
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