Keyphrases
- functional dependencies
- normal form
- xml documents
- relational databases
- cardinality constraints
- relational schema
- relational model
- xml data
- database design
- integrity constraints
- xml databases
- multivalued dependencies
- relational algebra
- xml schema
- data dependencies
- xml queries
- conflict free
- database theory
- nested relations
- databases
- universal relation
- database schemes
- object oriented
- database schema
- entity relationship
- xml views
- set of functional dependencies
- data model
- inclusion dependencies
- relational database theory
- relational data
- information content
- relational data model
- xpath queries
- database
- relational database systems
- update operations
- multi valued
- data types
- null values
- data exchange
- semi structured data
- data structure