Database Theory Column: Query Languages for Complex Object Databases.
Serge AbiteboulParis C. KanellakisPublished in: SIGACT News (1990)
Keyphrases
- object databases
- database theory
- conjunctive queries
- query language
- open problems
- recursive queries
- normal form
- relational databases
- database systems
- object model
- relational database systems
- relational algebra
- databases
- query evaluation
- integrity constraints
- expressive power
- np complete
- schema evolution
- object oriented
- data model
- database design
- international conference
- relational database management systems
- user interface
- finite model theory