Keyphrases
- databases
- data integration
- relational databases
- xml documents
- data model
- database
- metadata
- database systems
- database applications
- xml data
- xml format
- xml databases
- relational database systems
- data management
- data exchange
- xml queries
- database management systems
- data types
- indexing techniques
- data warehouse
- data sources
- data retrieval
- markup language
- semi structured data
- data sets