Functional dependencies with null values, fuzzy values, and crisp values.
Shaoyi LiaoHuaiqing WangWei-Yi LiuPublished in: IEEE Trans. Fuzzy Syst. (1999)
Keyphrases
- functional dependencies
- normal form
- null values
- integrity constraints
- user defined
- relational databases
- database design
- data dependencies
- fuzzy sets
- relational database theory
- fuzzy numbers
- fuzzy relations
- conflict free
- database schema
- database technology
- query evaluation
- inclusion dependencies
- universal relation
- logic programs