Keyphrases
- database
- databases
- relational databases
- data model
- xml documents
- metadata
- update operations
- database management systems
- query language
- object oriented
- database systems
- semi structured data
- database applications
- database objects
- xml queries
- xml schema
- query interface
- database schema
- query language for xml
- xml databases
- relational database systems
- object oriented databases
- relational data
- data types
- data integration
- xml data
- face recognition