Active Record is the M in MVC - the model - which is the layer of the system responsible for representing business data and logic. Active Record facilitates the creation and use of business objects whose data requires persistent storage to a database. It is an implementation of the Active Record pattern which itself is a description of an Object Relational Mapping system.
CITATION STYLE
Bradburne, A. (2016). Active Record. In Rails 5 Revealed (pp. 23–33). Apress. https://doi.org/10.1007/978-1-4842-1709-2_3
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