Keyphrases
- relational database systems
- database systems
- relational databases
- sql queries
- query processing
- data storage
- database
- database management systems
- databases
- relational algebra
- b tree
- relational model
- storage management
- relational database technology
- abstract data types
- object oriented
- first order logic
- semi automatic
- xml data
- relational schema
- multi agent systems
- high level