Introduction to Information Technology20785 marksData model, schema, and instance
Define: Data model, Schema, and Instance.
Define: Data model, Schema, and Instance. [5]
Note: The reference notes did not provide context for this topic. The following answer is based on standard database concepts as taught in TU BSc CSIT curriculum. --- A data model is a collection of conceptual tools used to describe: - The structure of data - Relationships among data - Semantics ...