Queries on Change in an Extended Relational Model.
Christian S. JensenLeo MarkPublished in: IEEE Trans. Knowl. Data Eng. (1992)
Keyphrases
- relational model
- relational database systems
- data model
- relational calculus
- relational databases
- database query languages
- relational algebra
- query language
- relational database management systems
- database technology
- relational data model
- incomplete information
- functional dependencies
- complex objects
- nested relations
- database
- aggregate functions
- spatial databases
- efficient processing
- range queries
- query processing
- conceptual model
- data sources
- object oriented
- databases
- database systems
- expressive power
- xml schema
- multi dimensional
- database applications
- relational models
- data warehousing