Algebra and Query Language for A Historical Data Model.
Nandlal L. SardaPublished in: Comput. J. (1990)
Keyphrases
- query language
- data model
- relational algebra
- expressive power
- database systems
- object oriented
- data integration
- relational model
- databases
- data types
- database management systems
- semi structured
- data modeling
- relational data model
- xml data
- data sources
- complex objects
- query evaluation
- semistructured data
- conceptual model
- historical data
- xml documents
- data models and query languages
- regular expressions
- database design
- constraint databases
- algebraic operators
- entity relationship
- database
- object model
- language constructs
- semantic data model
- relational databases
- recursive queries
- historical information