Keyphrases
- normal form
- multi valued
- database design
- database theory
- relational databases
- functional dependencies
- relational algebra
- formal definitions
- nested relations
- data dependencies
- modal logic
- logic programming
- prime implicates
- information content
- database schema
- relational model
- integrity constraints
- probabilistic logic
- logic programs
- management system
- null values
- xml documents
- databases