Tag Archives: Data Models

Introduction to RDBMS : Day 1 : Chapter 1

In this session, you will learn to: Define a Database Management System Describe the types of data models and data modeling Define a Relational Database Management System What is a Database Management System ? A database is a collection of logically related information. (a database is a collection of related data) Database Management is the [...]

What are Data Models ?

Introduction to RDBMS : Day 1 : Chapter 1 In this session, you will learn to: What are Data Models? In layman terms, a data model is used to organize data. Data models are a logical representation of the business processes in a organization. Data Model defines how the business interacts with people, places, and [...]

What are the types of Data Models ?

Introduction to RDBMS : Day 1 : Chapter 1 In this chapter, you will learn to: What are the types of Data Models ? Data Models c an be classified into two categories: Object-based logical model focuses on describing the data, the relationship among the data, and any constraints defined. Record-based logical model focuses on [...]