Oracle Applications Developer interview questions

If the patient has_many doctors and doctors has_many patients. Have to load patient records who are having at least 2 or more doctor_ids

Include a module in a class, and try to access all its instance and class methods from that class.

How to pass multiple blocks to a particular single method

Example of the decorator pattern

How ActiveRecord Query methods will work. What changes need to do some 'make' method should work as 'where'

In a given array: arr = [1,2,3,4,5,6,7,8,9,10], how to make combination of 2 elements in arrays

1) Create a tiny RESTful JSON API to index a page's content using Ruby on Rails - Should receive the URL of the page - grab its content and store its content with the tags h1, h2, h3, and the links - other API should list the URLs and the content stored in the database - API must only store content - inside HTML header tags (H1, H2, H3) - links URLs 2) Within this assignment, the following skills will be assessed: - Software Design - API Design and REST - Testing - Code Performance and scalability - DRY - Separation of Concerns - Clarity

Given an m*n matrix, you have to rotate it by 90 degrees in place.

Given a string representing the date (DD/MM/YYYY) and an integer representing the number of days, Find the resultant date after adding number of days to the given date. (You have to consider whether the year is leap or not ).

Given a string, find the sub string with the maximum length which is a palindrome.