Extending the Relational Algebra to Support Transaction Time.
L. Edwin McKenzieRichard T. SnodgrassPublished in: SIGMOD Conference (1987)
Keyphrases
- relational algebra
- expressive power
- query language
- relational model
- data model
- complex objects
- first order logic
- database
- normal form
- transitive closure
- relational data model
- relational calculus
- decision support
- relational databases
- relational database systems
- database query languages
- relational operators
- algebraic operations
- end users
- database systems