In order to enable locking on a table, which of the following columns is added?
Correct Answer: lock_version column
Explanation:
Note: This Question is unanswered, help us to find answer for this one
Ruby On Rails Skill Assessment
Your Skill Level: Poor
Retake Quizzes to improve it
More Ruby On Rails MCQ Questions
If a float is added to an integer, what is the class of the resulting number? i.e. 1.0 + 2
In a Rails Migration, which of the following will make a column unique, and then have it indexed?
Which will disable browser page caching in Rails?
Which of the following commands will test a particular test case, given that the tests are contained in the file test/unit/demo_test.rb, and the particular test case is test_one?
Following code snippet: def index render end The corresponding index.html.erb view is as following:
In the case of Rails application performance optimization, select all valid ways to do assets compilation:
Which options in the Ruby on Rails MVC architecture handles the dynamic data and the classes with the database?
With an XHTML document, how can quirks mode be triggered in Internet Explorer?
Which are Rails specific assertions to the test/unit framework?
Which option will find a row from the User table having id = 1?