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Problem:
Consider the following schema of R(A, B, C, D) with functional dependencies:
A -> B, B-> C, and B->D
1- Compute the closure sets of R.
2- Find all non-trivial dependencies.
3- What are the candidate keys of R?
4- What is the highest normal form of R?
question 1. the systems analyst proposes the subsequent two relationships between the flight and pilot entities what
Provide an Entity Relationship Model (ERM) that will describe the data structure that will store all data elements and analyze the university's requirements and provide a proposal to organize all the required data elements.
Consider a case that is not described above, but could happen in the business of the ABS. Please explain the case and why it might occur and based on the case you proposed, modify your design of the ABS database accordingly.
By now you should have a "toolbox" full of useful design and analysis tools. List the tools in your toolbox and then write one short paragraph on how you can/will apply them in your careers, lives, etc.
What about giving same name to attributes which are in different tables but are not same? For instance, "Description" in both a Course table and a Classroom table.
Write a memorandum to Sam Jones (CIO) and present your research findings. Your memorandum should be no longer than 500 words.
Consider a student club or organization in which you are a member. What are the data entities of this enterprise? List and define each entity.
Find the maximum salary of all employees who are not managers. Give all the managers in the database a 10 percent salary raise. Give all the other employees a 5 percent salary raise.
Suppose you have a relation schema about teaching classes that has the following attributes: Class, Instructor, Time and Room.
Use at least three (3) quality resources in this assignment. Note: Wikipedia and similar Websites do not qualify as quality resources.
project taskstask 1 analytic objectiveindividual groups are expected to come up with an analytic objective for which
The appropriate SQL command which should be copied from your source code in MySQL and resultant tables, which must be screenshots to show the change due to the execution of the SQL commands
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