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Decomposition using Functional Dependencies Questions and Answers PDF Download
The functional dependencies are used for
- Testing instances of relations
- Specify constraints on legal relations
- Both A and B
- Specifying Domain
The schema for relation r, with 'R' denoting the set of attributes, can be expressed by the notation
- r
- R
- r(R)
- R (r)
The definition of 3NF permits certain functional dependencies that are not allowed in
- BCNF
- 1NF
- 2NF
- 3NF
For relations, the best practice is to use a
- Sentencecase name
- Uppercase name
- Lowercase name
- First-letter capital case
An instance of a relation that satisfies all real-world constraints is called a
- Associated instance
- Legal instance
- Participant instance
- Domain instance
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