Question

No multivalued dependencies: split any of them in your OG table into separate tables with the keys.

Can't do 4NF without BCNF.
Options:
A. BCNF (Boyce-Codd Normal Form)
B. Multivalued Separation (MVS)
C. Fourth Normal Form (4NF)
D. Dependency Decomposition (DD)

Answer 1

It specifically addresses the elimination of multivalued dependencies and splitting them into separate tables, a requirement stated in the given scenario. 4NF builds upon BCNF to handle such cases. Thus, the correct answer is option C. Fourth Normal Form (4NF)

Step-by-step explanation:

In the given scenario, the objective is to eliminate multivalued dependencies and split them into separate tables with keys. While BCNF addresses certain types of dependencies, it is insufficient to achieve 4NF without resolving multivalued dependencies. The process of eliminating multivalued dependencies and achieving a higher level of normalization is specifically addressed by Fourth Normal Form (4NF).

4NF builds upon the principles of BCNF and extends them to handle cases where there are multivalued dependencies that need to be separated into distinct tables. Therefore, to meet the requirement of splitting multivalued dependencies into separate tables and achieving a higher normalization level, the appropriate option is C. Fourth Normal Form (4NF).

Thus, the correct answer is option C. Fourth Normal Form (4NF)

Answer 2

Multivalued Separation (MVS) is the option that allows us to split multivalued dependencies into separate tables with keys. This technique is used in database normalization to eliminate redundancy and improve data integrity. The correct multiple-choice option is (B).

Step-by-step explanation:

The option that allows us to split any multivalued dependencies in our original table into separate tables with the keys is B. Multivalued Separation (MVS). This technique is used in database normalization to eliminate redundancy and improve data integrity.

In the process of normalization, we aim to break down a table into smaller tables, ensuring that each table has a single purpose and does not contain redundant or unnecessary information. Multivalued Separation is one of the steps in this process.

By removing multivalued dependencies and splitting them into separate tables, we can achieve higher levels of normalization, such as Fourth Normal Form (4NF) and Boyce-Codd Normal Form (BCNF), which are more advanced than the earlier normalization forms such as First Normal Form (1NF) and Second Normal Form (2NF). The correct multiple-choice option is (B).