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返回到 Rails 的 Active Record 与 Action Pack

学生对 约翰霍普金斯大学 提供的 Rails 的 Active Record 与 Action Pack 的评价和反馈

4.7
739 个评分
155 条评论

课程概述

You already know how to build a basic web application with the Ruby on Rails framework. Perhaps, you have even taken Course 1, "Ruby on Rails: An Introduction" (we highly recommend it) where you relied on external web services to be your “data layer”. But in the back of your mind, you always knew that there would come a time when you would need to roll up your sleeves and learn SQL to be able to interact with your own relational database (RDBMS). But there is an easier way to get started with SQL using the Active Record Object/Relational (ORM) framework. In this course, we will be able to use the Ruby language and the Active Record ORM framework to automate interactions with the database to quickly build the application we want. In Rails with Active Record and Action Pack, we will explore how to interact with relational databases by using Active Record, a Ruby gem, which Rails uses by default for database access. We will then take a look at what role Active Record plays in the overall request-response cycle, when a client (the browser) requests data from the server, as well as how to submit the data to the server. Of course, when accessing data, security is of paramount importance! We will talk about vulnerabilities such as SQL injection, as well as how to secure access to data by authenticating and authorizing users accessing the data. Take this course to build a Ruby on Rails application with Active Record to automate the detailed SQL interactions with our database....

热门审阅

AB

Aug 11, 2016

A nice continuation to course 1 of this specialization, deeper dive into RoR, among other things you will learn how to manipulate/display database data and how to authenticate/authorize users!

NL

Dec 17, 2015

Great explanation of not so easy to understand concepts. Lecturer provides good example that can help material better and see how what you've learned can be applied to real world scenarios.

筛选依据:

51 - Rails 的 Active Record 与 Action Pack 的 75 个评论(共 148 个)

创建者 Nguyen M H

May 24, 2019

Active Record is so useful! I'm trying my best to learn all lectures.

创建者 Scott N

Sep 03, 2017

Was great to understand how to use/implement Active Record in Rails

创建者 Euclides C C

Apr 10, 2016

Very practical course! Keep the good work.

Thanks for your effort!

创建者 Daniel H

Jan 10, 2016

You can learn a lot, but I do not think it is aimed at beginners.

创建者 Joe A

Sep 18, 2016

A little challenging for Ruby beginners but extremely rewarding

创建者 Tolga Y

Jan 20, 2016

Its a lot of fun to learn and develop web applications rapidly.

创建者 Ritesh K

Aug 18, 2019

wonderful technology... more I learned, the more I loved it..!

创建者 Aldo A S Z

Jan 14, 2016

Very good and resumed analysis of ActiveRecord and ActionPack

创建者 Patrick L

Feb 09, 2016

Highly recommended for people wanting to learn Ruby on Rails

创建者 Serhii S

Oct 28, 2016

It was so uneasy to get through this course. But I like it!

创建者 Viktar H

Nov 10, 2015

Great course. Got more deeper into rails and got more fun.

创建者 Toby P

Dec 12, 2016

Fantastic presentation material. By far above average.

创建者 Andrew R

Aug 01, 2016

Wonderful job of explaining rails development! Awesome!

创建者 Sanele

Jul 04, 2016

Great intro to rails with Active record and action pack

创建者 Joana D L

Sep 16, 2017

Excelent course! Learned a lot! Thank you Professor :)

创建者 The S f D

Aug 10, 2017

great course, good mid/advanced overview of Rails

创建者 Alejandro E

Oct 24, 2017

Great course with excellent attention to detail.

创建者 Ronald S

Jun 05, 2017

Thank you so much, i learnt a lot in this course

创建者 Vladimir

Apr 03, 2016

Must Have course for every future RoR developer!

创建者 Julian H

Mar 30, 2016

Very informative, good material and explanation.

创建者 James L

Nov 23, 2015

AWSOME! Easy to follow, intuitive, and helpful!

创建者 vignesh k

May 14, 2017

Thank you once again for this wonderful course

创建者 Pablo M G

Jan 30, 2017

As good as Course 1, grate learning experience

创建者 Paul B

Sep 16, 2016

This is a well organized and excellent course.

创建者 Omar S

Sep 12, 2016

Again a very helpful course. Thanks very much.