02. Model in Ruby on Rails
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2014/06/30 02. DBり 一危 蟯襴 覦覯 れ旧襭: https://github.com/jcynico/rails-seminar
![Ruby on Rails:
Product.create(title: "螳", description: "", price:
100)
SQL:
INSERT INTO "products" ("description", "price",
"title") VALUES (?, ?, ?) [["description", ""],
["price", 100], ["title", "螳"]]](https://image.slidesharecdn.com/no2-160113175426/85/02-Model-in-Ruby-on-Rails-10-320.jpg)
02. Model in Ruby on Rails
- 1. Model
- 2. 螻殊 れ覲願鍵 Scaffold襦 襷れ伎 蟆 企.
- 3. DB襦 伎狩 蟆 SELECT / INSERT / UPDATE / DELETE
- 4. SQL
- 5. 一危磯伎る 譬襯螳 襷 蠏朱 伎姶 殊 螳
- 6. 企 一危磯伎る 螳 伎朱 矧企
- 9. Ruby on Rails: Product.where(title: "麹").鍖rst SQL: SELECT "products".* FROM "products" WHERE "products"."title" = '麹' ORDER BY "products"."id" ASC LIMIT 1
- 10. Ruby on Rails: Product.create(title: "螳", description: "", price: 100) SQL: INSERT INTO "products" ("description", "price", "title") VALUES (?, ?, ?) [["description", ""], ["price", 100], ["title", "螳"]]
- 16. 蠍郁讌襷. 蠍一 谿場覲伎語: http://guides.rubyonrails.org/association_basics.html http://api.rubyonrails.org/classes/ActiveRecord/Callbacks.html