Introduction to DBMS (Polytechnic Text Book IV Sem.) Computer Science and Engg.

Introduction to DBMS (Polytechnic Text Book IV Sem.) is a Hindi-medium textbook for fourth-semester Computer Science and Engineering diploma students. The five units are: - Database Management System - Entity-Relationship Model - Relational Data Model - Structured Query Language - Functional Dependencies and Normalization Starting with what a DBMS is and why it is used, the book shows how data is modelled with E-R diagrams, how the relational model organises it into tables, how SQL is used to create and query databases, and how functional dependencies and normalization lead to a well-designed database. Written by Rishabh Chouhan, Gopal Lal Meena and Gauttam, the 256-page 2025 edition follows the latest AICTE model curriculum. It is useful for polytechnic CSE students in the fourth semester who want a Hindi-medium DBMS textbook that moves from concepts to SQL and database design.