Returning Records from Multiple Tables That Belong to the Same Group or Do Not Belong to Any Group in Rails 5

Understanding SQL and Rails Queries: A Deep Dive into Aliasing Subqueries

Implementing Id Validation in Rails: A Deep Dive into Custom Validation Methods and Error Handling Strategies

Understanding Many-to-Many Relationships with ActiveRecord: Fixing the Incorrect Solution for Editors with No Roles

Pessimistic Locking in SQL and ActiveRecord: A Comprehensive Guide for Troubleshooting and Best Practices