Decomposing a relation into BCNF

Although the question is old, the other questions/answers don’t seem to provide a very clear step-by-step general answer on determining and decomposing relations to BCNF. 1. Determine BCNF: For relation R to be in BCNF, all the functional dependencies (FDs) that hold in R need to satisfy property that the determinants X are all superkeys … Read more

What is the difference between a Relational and Non-Relational Database?

Hmm, not quite sure what your question is. In the title you ask about Databases (DB), whereas in the body of your text you ask about Database Management Systems (DBMS). The two are completely different and require different answers. A DBMS is a tool that allows you to access a DB. Other than the data … Read more

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