Keyphrases
- functional dependencies
- relational databases
- relational model
- normal form
- data dependencies
- object oriented
- database schema
- database schemes
- relational data
- conflict free
- xml documents
- database technology
- sql queries
- entity relationship
- database design
- horn theories
- databases
- relational database systems
- integrity constraints
- database
- cardinality constraints
- relational data model
- null values
- inclusion dependencies
- relational schema
- approximate functional dependencies
- xml data
- multivalued dependencies
- xml databases
- relational algebra
- nested relations
- universal relation
- user interface