What you’ll take away.
- Create Active Record validations and migrations
- Use Strong Parameters in the controller
- Query the team-filtered overview efficiently
Your training in detail
- Who is it for?
- Software developers using Ruby on Rails in projects or maintaining existing solutions.
- Prerequisites
- Programming fundamentals and practical experience with development tools; topic-specific prior knowledge is aligned before the session.
- Format & planning
- Scope by arrangement
Agenda: from understanding to application
Our independently developed agenda proposal. Focus areas, lab environment and scope are agreed before booking.
Create Active Record validations and migrations
Use Strong Parameters in the controller
Query the team-filtered overview efficiently
Avoid N+1 queries with appropriate data loading
Reject invalid status values with Rails tests
Implement the status migration and team filter, test invalid status values, and fix an N+1 query.
Exams, licences & credentials
Independent NextNowa workshop. No vendor certification, examination or licence is included.
Vendor references & review date
Sources checked on 2026-10-27. These sources describe the technology or external exam requirements. They do not imply a partnership with NextNowa.
Your learning content
These objectives describe the training topic. The specific syllabus, duration, dates, trainer and price are agreed before booking.