Explore

EXPLORE THE CATALOGSupercharge your career with 700+ hands-on courses

View All Courses

Python

Java

JavaScript

React

Docker

Vue JS

Web Dev

DevOps

AWS

LEARNING TOOLSExplore the industry's most complete learning platform

CoursesLevel up your skills

Cloud LabsSetup-free practice with Cloud Services

Skill PathsAchieve learning goals

ProjectsBuild real-world applications

Mock InterviewsNewAI-Powered interviews

Personalized Interview PrepNewGet a custom roadmap tailored to your goals

AssessmentsBenchmark your skills

Personalized PathsGet the right resources for your goals

LEARN TO CODE

Check out our beginner friendly courses.

Pricing

For Business

Resources

NewsletterCurated insights on AI, Cloud & System Design

BlogFor developers, By developers

Free CheatsheetsDownload handy guides for tech topics

Agile Web Development Using Rails 6/

...

Reading and Deleting

Learn to read and delete the new and existing rows using Active Record.

We'll cover the following...

Reading existing rows

SQL and Active Record
Using like clauses
Subsetting the Records returned

order
limit
offset

select
joins
readonly
group
lock
Getting column statistics
Scopes
Writing your own SQL
Reloading data

Deleting rows

Press + to interact

Access this course and 1400+ top-rated courses and projects.

Lifetime Discount - 50% Off

$13

$24.83/month

Preview Free Lessons→

Preview Free Lessons

Getting Started

Instant Gratification

The Architecture of Rails Application

Introduction to Ruby

The Depot Application

Creating the Application

Validation and Unit Testing

Catalog Display

Cart Creation

A Smarter Cart

Adding a Dash of Ajax

Check Out

Entering Additional Payment Details

Sending Emails and Processing Payments Efficiently

Logging In

Create a Bill Split Application Using Ruby on Rails

Internationalization

Receive Emails and Respond with Rich Text

Finding Your Ways Around Rails

Active Record

Action Dispatch and Action Controller

Action View

Migrations

Customizing and Extending Rails

Conclusion

Appendix

Reading and Deleting