An Entity-Relationship Query Language.
G. Barbara DemoAntonio Di LevaPiercarlo GiolitoPublished in: TFAIS (1985)
Keyphrases
- entity relationship
- query language
- data model
- object oriented
- conceptual model
- database design
- relational model
- relational algebra
- expressive power
- extended entity relationship
- database schema
- er model
- data modeling
- conceptual modelling
- database
- conceptual schema
- conceptual modeling
- relational databases
- data integration
- relational data model
- conceptual database design
- database systems
- xml data
- databases
- relational schema
- complex objects
- normal form
- semantic data models
- data types
- database applications
- database management systems
- software engineering
- user defined
- entity relationship diagrams
- data sources
- database management
- database technology
- domain specific
- decision support
- management system
- relational database systems
- data analysis
- functional dependencies
- integrity constraints