Keyphrases
- relational schema
- entity relationship
- extended entity relationship
- relational data
- relational databases
- normal form
- functional dependencies
- relational database systems
- relational model
- xml schema
- database schema
- object oriented
- schema mappings
- conceptual schema
- transformation rules
- data model
- xml documents
- database
- database design
- xml data
- conceptual models
- domain knowledge
- relational algebra
- reverse engineering
- database technology
- complex objects
- conceptual model
- data exchange
- integrity constraints
- distributed systems
- data mining