Database Management System20795 marksData Models, Schemas, and Instances
What do you mean by Schema and Instance in DBMS? Explain both with examples.
What do you mean by Schema and Instance in DBMS? Explain both with examples. [5]
The overall design of the database is called the database schema. It describes the structure, organization, and constraints of the database. The schema is defined at the time the database is designed and does not change frequently. According to the level of abstraction, schemas are divided into t...