Relational Database Design (2023)

An Introduction to Data Modeling
What you'll learn
Explain what relational database is
Understand how to avoid problems that can happen when we store data in tables
Design a database model that meets business needs and avoid data storage problems
Prepare your data model for actual database construction.
Requirements
No prior database experience is required. This course is designed for the beginner.
Description
In this foundational course, we begin by teaching you the basics of relational databases and how they work. You will then learn the process of data modeling--translating a set of business needs into a visual "entity relationship diagram" that can be used to create a database. You won't actually create the database in this course--this is primarily about the data modeling process. What is most valuable about this course is the way that it will teach you to translate business requirements into data models using hands-on projects! We will work with two imaginary clients who will give us a set of business requirements. We'll create diagrams to serve their needs and modify the diagrams as their business needs grow and change. In short, you will learn data modeling skills by DOING data modeling. An outline of the topics includes:1. An Introduction to Relational Databases:Components of Relational DatabasesTablesPrimary and Foreign Keys2. Proper Database DesignData Anomalies and Avoiding Redundant DataNormalization (First - Third Normal Forms)Over-Normalization3. Data ModelingEntity Relationship Diagrams: Entities and AttributesEntity Relationships and CardinalityResolving Many-to-Many Relationships4. Data Modeling Project 1: Downtown FloralBuild the Initial Data Model Based on Business RequirementsUpdate Model Based on Business Changes (Several Rounds)4. Data Modeling Project 2: Best Tech UBuild the Initial Data Model Based on Business RequirementsUpdate Model Based on Business Changes (Several Rounds)I look forward to guiding you through this course. Don't be intimidated by the terminology. We'll take this a step at a time and you'll do great!
Who this course is for
Current or developing technology professionals who need an introduction to database design.
Anyone needing to design a database to solve a business problem.
Homepage

https://www.udemy.com/course/relational-database-design-o/

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