Flashcards
Three-level ANSI SPARC architecture
Flashcards do conjunto (6)
- 1What are the three tiers called?1. External
2. Conceptual
3. Internal - 2What is the objective of this architecture?Separate each users view of the database from the way the database is physically represented
- 3What is the external level?This is the users view of the database
- 4What is the conceptual level?This is the community view of the database. It also describes what data is stored in the database and the relationships among the data
- 5What is the internal level?The physical representation of the database on the computer. This describes how the data is stored in the database.
- 6What is a database schema?An overall description of the database
Informações
- Descrição
- Database Systems (Database Environment) FlashCards sobre Three-level ANSI SPARC architecture, criado por Robin Lee-Delisle em 19-07-2017.
- Criado por
- Robin Lee-Delisle
- Visualizações
- 0
- Avaliação
Mais sobre Database Architecture