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Can you provide the answer as soon as possible and there is no word limit?
Describe a database and its various elements. Define Primary Key, foreign key, and metadata.
Explain your answer with database management system concepts.
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.
A primary key can be computer generated. consists of one field only that uniquely identifies each record in a table. is a relationship between two or more tables. All of the above.
Describe a minimum of three (3) heuristics to optimize Queries - provide the SQL code (and screen shots)
write 400-600 in your own words why is it important to define the scope and perform requirement analysis for the
let t1 have the operations rx wx ry wy and t2 have the operations rx wx. consider adding either a commit or abort to
What is the two-phase locking protocol and what is the strict two-phase locking protocol? What is the rigorous two-phase locking protocol? What benefit does strict two-phase locking protocol provide? What benefit does rigorous two-phase locking pr..
Order Up, Inc. provides order fulfillment services for e-commerce merchants. The company maintains warehouses that stock items carried by its clients.
You are interested in examining some hard-to-obtain data from two separate databases. Each database comprises numerical values - so there are 2n values total
what amount would the company have to charge for the Ericson wedding cake to just break even - what would be the overall margin on the order?
SQL implements VPD using the VIEW object while Oracle10g provides specific functions for row-level security and fine-grained access.
Now suppose that certain courses can be taught by a team of professors jointly, but it is possible that no one professor in a team can teach the course. Model this situation, introducing additional entity sets and relationship sets if necessary.
Design the screen with the actual values. Students have to also create a data dictionary to explain what type of data is expected to display with the given input.
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