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1. Identify and discuss the serious data redundancy problems exhibited by the file structure shown in Figure. (The file is meant to be used as a teacher class assignment schedule. One of the many problems with data redundancy is the likely occurrence of data inconsistencies-two different initials have been entered for the teacher named Maria Cordon.)
2. Given the file structure shown in Figure, what problem(s) might you encounter if building KOM were deleted?
The customer is always right -The customer doesn't know what's best. It's the baker's (marketer's) job to educate him. The above statements succinctly point out a subtle battle which rages within the marketing discipline.
Describe a minimum of three (3) heuristics to optimize Queries - provide the SQL code (and screen shots)
Monitor Renal Outcomes in patients post cardiac bypass surgery?
Compute a canonical cover for the above set of functional dependencies (show each step of your derivation with an explanation).
Knowledge and Data Warehousing
Design a nested menus interface for a check-in and check-out hotel reservation system that can be used internationally.
One of the tenets of database development is to never permit developers to create or own objects during development. All objects are created by application owner and stored in that schema.
Create a context level DFD. You should take your DFD to your tutorial for feedback before starting on the ER.
What does CHS stand for? List three items contained in the FAT database. List two features NTFS provides that FAT does not.
Design a scheme for determining exactly which one of the wine bottles was poisoned in just one month's time while expending O(logn) taste testers.
First, specify the foreign keys for this schema, stating any assumptions you make. Next, populate the relations with a few example tuples.
Create use case to describe a typical sales process. Then make a sequence diagram for use case.
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