Completeness of Query Languages for the Entity-Relationship Model.
Paolo AtzeniPeter P. ChenPublished in: ER (1981)
Keyphrases
- query language
- data model
- relational model
- database design
- relational algebra
- expressive power
- object oriented
- conjunctive queries
- recursive queries
- database
- relational data model
- semistructured data
- query evaluation
- language constructs
- entity relationship
- database query languages
- complex objects
- regular expressions
- databases
- constraint databases
- conceptual model
- xml data
- programming language