Keyphrases
- database views
- relational databases
- personal information
- database
- sql queries
- databases
- trusted third party
- query language
- privacy protection
- data types
- security issues
- relational model
- database design
- database applications
- database queries
- relational algebra
- cd rom
- multiple views
- data storage
- statistical databases
- database management
- security mechanisms
- privacy preservation
- database language
- relational dbms
- data model
- social networks