# ORM And Active record

- [Why an ORM is Useful](https://certil-remy.gitbook.io/learn/orm-and-active-record/untitled.md)
- [Mapping Ruby Classes to Database Tables](https://certil-remy.gitbook.io/learn/orm-and-active-record/untitled-1.md)
- [Mapping Classes to Tables Lab](https://certil-remy.gitbook.io/learn/orm-and-active-record/untitled-2.md)
- [Mapping Database Tables to Ruby Objects](https://certil-remy.gitbook.io/learn/orm-and-active-record/untitled-3.md)
- [Mapping Database Rows to Objects Lab](https://certil-remy.gitbook.io/learn/orm-and-active-record/untitled-4.md)
- [Updating Records in an ORM](https://certil-remy.gitbook.io/learn/orm-and-active-record/untitled-5.md)
- [Updating Records in an ORM Lab](https://certil-remy.gitbook.io/learn/orm-and-active-record/untitled-6.md)
- [Preventing Record Duplication](https://certil-remy.gitbook.io/learn/orm-and-active-record/untitled-7.md)
- [ORMs Lab: Bringing It All Together lab](https://certil-remy.gitbook.io/learn/orm-and-active-record/untitled-8.md)
- [Dynamic ORMs](https://certil-remy.gitbook.io/learn/orm-and-active-record/untitled-9.md)
- [Dynamic ORMs with Inheritance](https://certil-remy.gitbook.io/learn/orm-and-active-record/untitled-10.md)
- [ActiveRecord Mechanics](https://certil-remy.gitbook.io/learn/orm-and-active-record/untitled-11.md)
- [Translating from ORM to ActiveRecord](https://certil-remy.gitbook.io/learn/orm-and-active-record/untitled-12.md)
- [Intro to Rake](https://certil-remy.gitbook.io/learn/orm-and-active-record/untitled-13.md)
- [Mechanics of Migrations](https://certil-remy.gitbook.io/learn/orm-and-active-record/untitled-14.md)
- [Writing Our Own Migrations](https://certil-remy.gitbook.io/learn/orm-and-active-record/untitled-15.md)
- [Migrations and Active Record Lab](https://certil-remy.gitbook.io/learn/orm-and-active-record/untitled-16.md)
- [ActiveRecord CRUD Lab](https://certil-remy.gitbook.io/learn/orm-and-active-record/untitled-17.md)
- [Advanced Finding Lab](https://certil-remy.gitbook.io/learn/orm-and-active-record/untitled-18.md)
- [ActiveRecord Associations](https://certil-remy.gitbook.io/learn/orm-and-active-record/untitled-19.md)
- [ActiveRecord Associations Lab](https://certil-remy.gitbook.io/learn/orm-and-active-record/untitled-20.md)
- [ActiveRecord Associations Lab II](https://certil-remy.gitbook.io/learn/orm-and-active-record/untitled-21.md)
- [ActiveRecord Associations Video Review](https://certil-remy.gitbook.io/learn/orm-and-active-record/untitled-22.md)
- [ActiveRecord Associations Video Review II](https://certil-remy.gitbook.io/learn/orm-and-active-record/untitled-23.md)
- [Video Review: Aliasing ActiveRecord Associations](https://certil-remy.gitbook.io/learn/orm-and-active-record/untitled-24.md)
- [Video Review: Blog CLI with ActiveRecord and Associations](https://certil-remy.gitbook.io/learn/orm-and-active-record/untitled-25.md)


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