ActiveRecord Querying: Must Know Methods

Order

Select

Pluck

Group

Where/Find_by/Find

Calculations & Lazy Evaluation

#count, #average, #minimum, #maximum, #sum

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Get the Medium app

A button that says 'Download on the App Store', and if clicked it will lead you to the iOS App store
A button that says 'Get it on, Google Play', and if clicked it will lead you to the Google Play store