Keyphrases
- relational schema
- relational data
- entity relationship
- functional dependencies
- xml schema
- relational databases
- relational database systems
- normal form
- relational model
- object oriented
- data model
- conceptual schema
- database schema
- transformation rules
- xml documents
- schema mappings
- database
- query optimization
- xml data
- building blocks
- multi dimensional
- domain knowledge
- conceptual models
- metadata
- data mining