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Assume you are making a database to help university keep track of its course offerings. You might have following entities in database, as they are distinct items in real life which are related to each other in significant ways: course, classroom, professor, and department. Sketch ER diagram with box for each of these four entities and arrows between boxes labeled with relationships they denote.
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.
Create a query that spans both tables. Eliminate redundant fields. Modify the Query to select only those Customers that had service dates in October and November 2006.
Design a nested menus interface for a check-in and check-out hotel reservation system that can be used internationally.
There are six major types of information systems which organisations use in their operations. Discuss how these information systems support managers in their decision making role Explain the datawarehouse and data mining concepts using appropria..
Describe the characteristics of a Relational Database Management System (RDBMS).
The database application project (DAP) for this course consists of the creation of a fully functional Microsoft Access database application for a real client.
These comprise NOT NULL, CHECK, UNIQUE, REFERENTIAL INTEGRITY, and PRIMARY KEY constraints. Are these constraints which we are talking about easy to implement in Access Database?
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.
Write SQL queries for the books database that perform each of the following tasks: Select all authors from the Authors table with the columns in the order lastName, firstName and authorID.
Write the application for university admissions office. Prompt user for a student's High School Grade Point and an admission test score.
Practice on topic of Normalization
Write a program that models an employee. An employee has an employee number, a name, an address, and a hire date. A name consists of a first name and a last name.
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