Ruby on Rails 7 Active Record Models
This course will teach you how to set up the active record models in rails 7 and programmatically interact with the database in a highly convenient manner.
What you'll learn
Every modern web app needs a persistence layer to safely and conveniently interact with an underlying database. In this course, Ruby on Rails 7 Active Record Models, you’ll learn to implement a database schema using the Active Record library and define various business rules. First, you’ll explore the different utilities provided in Rails to generate the necessary entities or models representing a database schema. Next, you’ll discover how to establish relationships between different entities as well as modify these relationships with these entities via migration files. Finally, you’ll learn how to create validation rules for your models to ensure the data in the database keeps its integrity and is in line with business rules. When you’re finished with this course, you’ll have the skills and knowledge to work with databases directly using the ActiveRecord library.
Table of contents
- Intro 2m
- Creating Entities 6m
- Playing with the Model 2m
- Demo: Defining a Model 9m
- Entity Innerworkings Validation Explanation 4m
- Entity Innerworkings Validation App Level Vs DB Level 3m
- Callbacks 2m
- Demo Validation 9m
- Managing Database Changes 3m
- Demo: Managing Database Changes 4m
- Basic Queries 3m
- Demo: Basic Queries 6m
About the author
Raphael Alampay is the co-founder of Cloudband Solutions Co., a software development and consultancy company that caters to custom based software for SME around the globe. Using time and tested technology such as Java, Ruby on Rails, Python, PostgreSQL and Linux, he has a passion for creating applications that solve real world problems making businesses more efficient and innovative at the same time. His craft in software is largely based on the philosophy of "kaizen" which means continuous impr... more