ERROL: An Entity-Relationship, Role Oriented, Query Language.
Victor M. MarkowitzYoav RazPublished in: ER (1983)
Keyphrases
- entity relationship
- query language
- data model
- object oriented
- database design
- conceptual model
- relational model
- er model
- extended entity relationship
- relational databases
- relational data model
- database schema
- conceptual modelling
- relational schema
- conceptual database design
- relational algebra
- conceptual schema
- entity relationship diagrams
- database systems
- functional dependencies
- semantic data models
- normal form
- database
- databases
- conceptual models
- data integration
- conceptual modeling
- database management
- database applications
- xml data
- database management systems
- complex objects
- user defined
- data types
- case study