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Assignment 1: Business Rules and Data Models Suppose a local college has tasked you to develop a database that will keep track of students and the courses that they have taken. In addition to tracking the students and courses, the client wants the database to keep track of the instructors teaching each of the courses. Use the internet to research the types of information that a college would want to track in a database. Focus your attention on information that could represent entities within a database as well as attributes of such entities.
Thoroughly described the purpose of the database.
Thoroughly described the entities of the database and the attributes of each entity, based on your research and / or common knowledge of a college and the information tracked by a college.
Thoroughly described the business rules that could impact the structure of the database, based on your research and / or common knowledge of a college and the information tracked by a college.
Thoroughly determined the information that the conceptual model of the database would include and thoroughly determined the information that the physical model of the database would include.
What advantage is there in storing metadata in tables? Is Microsoft Access a DBMS? Why or why not? List the several consequences of a poorly designed database.
Explain the use of facts, dimensions and attributes in a star schema model. Explain the use of facts, dimensions and attributes in a star schema model.
1. design an relational model rm model of a database db that will be useful for each of the chosen enterprises. hint
relationship between customer and products
Review the Entity Relationship diagram and derive a relational schema using the rules and naming conventionsof the course text. A primary key identified for each relation
Examine the proposed business ethical problem that the Brazilian Federal Data Processing Service is presently experiencing. Determine whether you agree or disagree that Brazil's problem is an ethical one that should be corrected. Provide a rationa..
The state wants to record fire department for which each fire fighter currently works and each fire fighter's supervisor. Supervisors are always higher-ranking certified fire fighters - Construct relational database for New York's fire departments..
Given the following business scenario, create a Crow's Foot ERD using a specialization hierarchy if appropriate. Tiny Hospital keeps information on patients and hospital rooms
Select one of the Real World Scenarios and use the experience you have that is related to the scenario you have chosen or research online; and then post your comments and solutions about your experience.
Consider relation schema r(A,B,C,D,E, F) and a set of functional dependencies {A BCD,BCDE,BD,DA}. Calculate canonical cover for set of functional dependencies (show each step of your derivation with an explanation).
Under what situations would denormalization of a database schema be used? Give examples of denormalization.
Draw an Entity-Relationship diagram for this database using UML notation. Be sure to include all the entities mentioned above, together with attributes (including primary key attributes).
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