Keyphrases
- normal form
- xml documents
- functional dependencies
- relational databases
- xml data
- database theory
- nested relations
- xml queries
- database design
- xml databases
- data dependencies
- integrity constraints
- data model
- relational model
- relational algebra
- relational data
- xml schema
- relational schema
- information content
- xpath queries
- database
- relational database theory
- sql queries
- keyword search
- database schemes
- database schema
- multi valued
- semi structured data
- prime implicates
- conflict free
- path expressions
- multi dimensional
- object oriented
- database systems
- databases