HQUEL, a Query Language for Historical Relational Databases.
Abdullah Uz TanselM. Erol ArkunPublished in: SSDBM (1986)
Keyphrases
- relational databases
- query language
- object oriented
- database
- data model
- relational model
- expressive power
- xml data
- structured query language
- relational algebra
- databases
- relational operators
- high level query language
- historical data
- keyword search
- sql queries
- xml databases
- normal form
- database technology
- constraint databases
- relational data
- data dependencies
- functional dependencies
- xml documents
- historical information
- transitive closure
- query evaluation
- database schema
- complex objects
- recursive queries
- database design
- relational database management systems
- relational data model
- relational tables
- regular expressions
- data model and query language
- inductive databases
- entity relationship
- query interface
- relational database systems
- conjunctive queries
- data sets