Keyphrases
- relational databases
- data dependencies
- databases
- object oriented
- normal form
- relational model
- multiple relations
- functional dependencies
- database
- xml documents
- null values
- relational data model
- sql queries
- semantic relations
- relational data
- database technology
- social networks
- relational database management systems
- binary relations
- machine learning
- relational structures
- user defined
- website
- similarity measure