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Suppose you are given a relation R with four attributes ABCD. For each of the following sets of FDs, assuming those are the only dependencies that hold for R, do the following: (a) Identify the candidate key(s) for R. (b) Identify the best normal form that R satisfies (1NF, 2NF, 3NF, or BCNF). (c) If R is not in BCNF, decompose it into a set of BCNF relations that preserve the dependencies.1. C → D, C → A, B → C2. B → C, D → A3. ABC → D, D → A4. A → B, BC → D, A → C5. AB → C, AB → D, C → A, D → B
How can replication help the performance of a distributed database and in what situations can replication hurt the performance of a distributed database?
The objective of the assignment is to apply and consolidate skills acquired in the requirement and analysis disciplines through analysis of a simple case study, and to express the results through the relevant UML diagrams.
Journal entries have to be reconciled with the spreadsheet on a daily basis - Prepare a context diagram for the system and also prepare a diagram 0 DFD for the system
What is the order P of the B+-tree if B+-tree access structure on the key is constructed? What is the number of leaf-level blocks needed if blocks are approximately 69% full (round up for convenience)?
Compute the numbers of married men, single men, married women and single women. Print these numbers on a student summary report.
Describe how that firms likely use or should use Management Information Systems, Information Systems and Information Technology as it relates to the various topics covered in the class.
In addition, you will also need to create a state machine diagram for the RegistrationRecord class (the class that maintains the registration of a student in a class).
Don't forget to underline key attributes for entity sets and include arrowheads indicating the multiplicity of relationships
Optimistic concurrency control sets few locks on the data in the database, lowering the isolation level that you use in an application. This allows more applications to run concurrently and potentially increases the throughput of the applications. Th..
Please create a program using Microsoft Access Database. Create a system for Construction Engineering Norms. This objective for this system is to be use by the Project Management to do an estimate for the CONTRUCTION ENGINEERING works.
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.
Refine research and analysis skills through locating, selecting and compiling a higher-level research essay.
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