ActiveRecord

		Skill
▢	▢	Designs objects/relations appropriately
▢	▢	Follows Rails conventions consistently
▢	▢	Adds validations for all database constraints (presence, uniqueness, field length, etc)
▢	▢	Customizes error messages, warnings, and alerts as appropriate
▢	▢	Shows preference for ActiveRecord queries instead of in-memory calculations
▢	▢	Uses consistent/understandable method names consistent with ruby styleguide
▢	▢	Uses public/private methods appropriately
▢	▢	Uses transactions to prevent inconsistent data states
▢	▢	Uses `.include` (preferred) or custom sql (less preferred) to avoid N+1 query instances
▢	▢	Uses decorators/services etc to reduce size of monolithic models