MySQL + SQL · Lesson 10

Data Models in DBMS

What is a Data Model?

A data model describes HOW data is organized and connected in a database. Different models store relationships differently.

Main Data Models

ModelStructure
Hierarchicaltree (parent-child), one parent each
Networkgraph, many-to-many links
Relationaltables linked by keys (most common)
Object-orienteddata as objects

Summary

  • A data model defines how data and relationships are structured.
  • Relational (tables + keys) is the most widely used today.
🔗

Share this topic with a friend

यह topic किसी दोस्त को भेजें

Found it useful? Send it to a classmate learning the same thing.

अच्छा लगा? जो दोस्त यही सीख रहा है, उसे भेज दीजिए।

WhatsApp