RDBMS-Day2 Continuation of ER modeling concepts Logical Database design Normalization 1 Recap of Day1 session • • • RDBMS handles data in the form of relations, tuples…

Conversion of E-R Diagram to Tables • For each entity set and relationship set there is a unique table, which is assigned the name of the corresponding entity set or relationship…

Notes of ENTITY RELATIONSHIP Modelling Entity – Relationship(ER) Modelling ER Model Concepts --Entities and Attributes -- Entity Types, Value Sets, and Key Attributes --Relationships…

Normalization Constraints: There are 2 types of constraints: 1) Defines the permitted values, the attributes can have. 2) Defines the relationship between the attribute.…

1. Chapter 6: Entity-Relationship Model Database System Concepts, 5th Ed . ©Silberschatz, Korth and Sudarshan Seewww.db-book.comfor conditions on re-use 2. Chapter 6: Entity-Relationship…

1. Database Design and E-R Model Chapter 6 2. phase of database design• to characterize fully the data needs of the prospective database users.– The outcome of this phase…

1. Entity-Relationship Model Entity Sets Relationship Sets Design IssuesMapping ConstraintsKeys E-R Diagram Extended E-R Features Design of an E-R Database Schema Reduction…

1. Entity-Relationship Model Entity Sets Relationship Sets Design IssuesMapping ConstraintsKeys E-R Diagram Extended E-R Features Design of an E-R Database Schema Reduction…

1. Entity-Relationship Model Entity Sets Relationship Sets Design IssuesMapping ConstraintsKeys E-R Diagram Extended E-R Features Design of an E-R Database Schema Reduction…

1. diagram .Ms.V. Saranya AP/CSE Sri vidya college of Engg & Tech, Virudhunagar. 2. Objectives • To illustrate how relationships between entities are defined and refined.…