5 Questions
What is characteristic of the conceptual schema?
It describes the structure and constraints of the whole database
What type of data model is typically used in a database that serves a community of users?
Conceptual data model
What level of data modeling is concerned with the overall structure and constraints of the database?
Conceptual level
What is the purpose of a conceptual schema in a database?
To provide a common understanding of the database structure and constraints
What type of data model is used to describe the physical storage of data?
Physical data model
This quiz covers relational data models used in commercial systems and self-describing data models that combine data description with data values.
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