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For the following relation schema and set of FD's:R(A,B,C,D) with FD's B → C and B → D, do the following:
(a) Point out all the BCNF violations. Do not forget to suppose FD's that are not in given set, but follow from them. Though, it is not essential to give violations which have more than one attribute on right side.
(b) Decompose the relation, as essential, into collection of relations which are in BCNF.
Express given five loosely described problems carefully in { Instance, Question } form as utilized in "Computers and Intractability". Determine that a list of n numbers has no duplicates.
Perform the conceptual database design using Entity-Relationship model. You must submit the Entity-Relationship diagram of your database and develop queries in the target DBMS
Monitor Renal Outcomes in patients post cardiac bypass surgery?
Explain how you would follow three phases of traditional database design method (Hierarchical, Network, and Relational), considering the following scenario.
Understand and interpret a set of business rules for a database and create an Enhanced Entity Relationship Diagram that models the requirements accurately
Describe the characteristics of a Relational Database Management System (RDBMS).
Pharmacy systems today are more efficient and user friendly when compared to the systems 20 years ago.
When increasing cardinalities from 1:N to N:M, which of the given steps are included in process the order of steps listed below is not relevant, only steps themselves?
Complete following task. In each exercise, represent answer in both DBDL and with diagram. You may use any of styles for diagram. Create database to produce following reports. Do not use any surrogate keys in design.
Find the name and membership number of members who have borrowed more than five different books of that publisher.
All primary keys are underlined. All foreign keys have same name as primary key that they are referencing. Determine the names of all Tracks which are more than 10 minutes (600,000 ms) long.
Draw an object-oriented model for a small private airport database that is used to keep track of airplanes, their owners, airport employees, and pilots.
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