About this document
HSd5cV - 202. Entity Relationship Model To Relational Model Mapping - Mod2 - Dbms - Ga - Class Note PDF by Ambily Udayakumar is a document available to read on EtoBox.
Relational calculus is a non-procedural query language that specifies what to retrieve based on predicate calculus, with two main types: Tuple Relational Calculus (TRC) and Domain Relational Calculus (DRC). The document outlines the mapping of an Entity-Relationship (ER) model to a relational model, detailing steps for various entity types and relationships to ensure no loss of information. The mapping process preserves keys and relationships, resulting in an implementation-ready schema.
- Author
- Ambily Udayakumar
- Language
- EN