Keyphrases
- relational algebra
- relational databases
- database design
- query language
- sql queries
- database
- relational model
- data exchange
- databases
- database language
- database management
- relational database systems
- relational dbms
- database applications
- data types
- back end
- database queries
- database technology
- expressive power
- database development
- cd rom
- data modeling
- data model
- database administration
- database systems
- inclusion dependencies
- db universal database
- functional dependencies