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Oracle Application Developer Interview Questions, Process, and Tips
Top Oracle Application Developer Interview Questions and Answers
- Q1. Minimum Cost to Connect All Points Problem Statement Given an array COORDINATES representing the integer coordinates of some points on a 2D plane, determine the minimum ...read more
- Q2. Puzzle: – Two persons X and Y are sitting side by side with a coin in each’s hand. The game is to simultaneously flip the coin till anyone wins. Player X will win if he g ...read more
- Q3. Count Subsequences Problem Statement Given an integer array ARR of size N , your task is to find the total number of subsequences in which all elements are equal. Explan ...read more
Oracle Application Developer Interview Experiences
36 interviews found
Anonymous
Interview Questionnaire
10 Questions
- Q1. Code :- A simple C program to reverse the words in a string , like if string is “Oracle @ App Dev”, then it should become “Dev App @ Oracle”
- Q2. Puzzle: – Two persons X and Y are sitting side by side with a coin in each’s hand. The game is to simultaneously flip the coin till anyone wins. Player X will win if he gets a consecutive HEAD, TAIL howeve...
- Q3. Some DBMS questions like normalization, joins and composite key
- Q4. Code: – Given the value of a starting position and an ending position, you have to reach from start to end in a linear way, and you can move either to position immediate right to current position or two st...
- Ans.
Print all possible paths from start to end in a linear way, moving either one or two steps right.
Use dynamic programming to solve the problem
Create a 2D array to store the number of paths to each position
Start from the end position and work backwards
At each position, calculate the number of paths by summing the number of paths from the next two positions
Print all the paths by backtracking from the start position
- Q5. You are provided a CSV (Comma Separated Values) in file like E1:12, E2:32 etc. You have to generate a tree with maximum height 3 only with the given values in the following manner : E is the root of tree h...
- Q6. Provided a string a character and a count, you have to print the string after the specified character has occurred count number of times. Ex: String: “This is demo string” Character: ‘i’ Count: 3 Output: “...
- Ans.
The program prints the substring after a specified character has occurred a certain number of times in a given string.
Iterate through the string to find the specified character.
Keep track of the count of occurrences of the character.
Once the count reaches the specified count, extract the substring after that position.
Handle corner cases such as when the character is not in the string or when it doesn't occur the specif
- Q7. Design a website similar to bookmyshow.com for booking cinema tickets but it must be for a single location only which can have multiple theatres in it. In this he wanted me to design a basic rough GUI, rel...
- Ans.
Design a website similar to bookmyshow.com for booking cinema tickets for a single location with multiple theatres.
Design a user-friendly GUI with options for advance booking, user login, user registration, movie rating, and saving card details.
Create relevant database tables to store information about movies, theatres, bookings, user details, and card details.
Link the GUI to the database to enable data flow and retrie...
- Q8. Puzzle: Given 10 coins, arrange them such that we get 4 different rows each containing 4 coins
- Q9. Puzzle: Gi1ven 4 coins, arrange then to make maximum numbers of triangle of the figure
- Q10. In the end he asked Database Normalization and all the normal forms in detail
Interview Preparation Tips
Experience: Initially an online written round was conducted consisting of following sections:
1. General aptitude
2. Logical Reasoning
3. Technical (Basic C/C++ questions)
4. English
Overall time limit was nearly 2 hrs. It was an easy round.
Round: Test
Experience: Then after this a large number of students were selected for the next coding round, where we had just one problem to code and time limit was 30 minutes. Problems were randomly distributed, it’s just that coding interface was not that good so many fellow mates of mine faced problem getting the output to the console in the right manner.I got the following program:A number x supports a number (x+b) where b is the number of set bits in binary representation of x, like if x = 3 then x supports (3+2)=5 as 3 has 2 1’s in its binary representation. Now you are provided with an array of numbers you have to print SUPPORTED if number is supported by any number if not print BLEAK else if there is an invalid input print 0.After this round 77 students were selected for the interview rounds. A big panel of 9 members had arrived to conduct these interviews.
Round: HR Interview
Experience: This round went for like 45 minutes, the interviewer was really nice and was giving certain clues in between to guide me.
Round: Technical Interview
Experience: This was a long and scary round, it lasted for like 2 hours.
Round: HR Interview
Experience: The interviewer asked me about the previous codes that I had made in previous rounds. He was more concerned about the approach than code. Then he start questioning about the site I made in round 3 regarding how I will amend it if it has to go global to alltype of customers. Then there were some basic HR questions.
Finally 3 students were selected out of total 77 students including me.
College Name: NA
Skills evaluated in this interview
(2 Questions)
- Q1. Debugging code snippets mostly class and pointers related questions
- Q2. Logical aptitude questions like car tyre changing for max distance
I applied via campus placement at National Institute of Technology (NIT), Calicut and was interviewed in Jul 2024. There were 3 interview rounds.
(2 Questions)
- Q1. No of days workers do like A works 10 days B works 10 days
- Q2. Graph based question
(2 Questions)
- Q1. Merge two sorted arrays
- Ans.
Merge two sorted arrays into a single sorted array
Create a new array to store the merged result
Use two pointers to iterate through both arrays and compare elements
Add the smaller element to the new array and move the pointer for that array
- Q2. Max heap based question
(2 Questions)
- Q1. Maximum length of subarray of given sum
- Ans.
Find the maximum length of a subarray with a given sum in an array.
Use a hashmap to store the running sum and its corresponding index.
Iterate through the array and update the hashmap with the running sum.
Check if the difference between the current sum and the target sum exists in the hashmap to find the subarray length.
- Q2. Oops implementation question not theory question
Interview Preparation Tips
Skills evaluated in this interview
Parent and Child Trees
(2 Questions)
- Q1. Random Pointer Linked List
- Q2. Find area using co ordinates
- Ans.
Calculate the area of a shape using coordinates
Determine the type of shape (e.g. rectangle, triangle, circle)
Use the appropriate formula for the shape to calculate the area
Input the coordinates into the formula to get the area
Oracle interview questions for designations
Kalpan Bariya
I applied via Campus Placement
MCQ and DSA questions
(2 Questions)
- Q1. DSA recursive question
- Q2. Logical question
Get interview-ready with Top Oracle Interview Questions
(1 Question)
- Q1. Intersection of linked list
- Ans.
Intersection of linked list is finding the common node where two linked lists merge.
Traverse both linked lists to find their lengths
Align the longer list's pointer to match the length of the shorter list
Iterate through both lists simultaneously to find the intersection node
Skills evaluated in this interview
Application Developer Jobs at Oracle
I applied via campus placement at National Institute of Technology (NIT), Tiruchirappalli and was interviewed in Aug 2023. There were 4 interview rounds.
1 hour - Coding question-hard type palindrome type question , 10 MCQs including aptitude, math and paragraph question and finally a RESTAPI question on hackerrank platform
(4 Questions)
- Q1. Resume scrutiny about projects and internship
- Q2. There N rooms in a hotel so customers will check-in and check-out a rooms simultaneously so which type of data structure you implement and it should be efficient and extension of this prebooking will also ...
- Ans.
To efficiently manage room bookings and prebookings in a hotel, a priority queue data structure can be implemented.
A priority queue can be used to prioritize room bookings based on check-in dates.
When a customer checks out, the room becomes available and can be assigned to the next customer in the priority queue.
Prebookings can be stored separately and checked against the availability of rooms before assigning them to ...
- Q3. There are 25 horses in which you need to find out the fastest 3 horses. you can conduct a race among at most 5 horses to find out relative speed. At no point, you can find out the actual speed of the horse...
- Ans.
Minimum 7 races required to find the top 3 fastest horses.
Divide the 25 horses into 5 groups of 5 horses each.
Conduct a race among the horses in each group to determine the fastest horse in each group.
Take the top 2 horses from each group and conduct a race among them to determine the fastest horse overall.
The winner of this race is the fastest horse.
Now, take the second-place horse from the final race and the second-p...
- Q4. There is snail which has to climb a ramp of some slope with length of 30ft while climbing the ramp the snail moves 3ft/hour up and simultaneously moves 2ft/hour down so in how much time it will take to cl...
(3 Questions)
- Q1. You have given array of numbers in which you need to write an algorithm to sort them (preferably in java)
- Q2. SQL-QUERY, There is a department table with department name ,department ID and with staff members ID who are working in department and also there is a Staff members table with staff member name, staff memb...
- Q3. How do you measure 4 liters with a 5 liters and 3 liters container
Interview Preparation Tips
Skills evaluated in this interview
(1 Question)
- Q1. Merge intervals question of leetcode
1 DSA question and mcqs
(1 Question)
- Q1. Minimum area of square that contains all the points
- Ans.
The minimum area of a square that contains all given points is the square of the maximum distance between any two points.
Calculate the distance between all pairs of points
Find the maximum distance
Square the maximum distance to get the minimum area of the square
Interview Preparation Tips
I applied via Campus Placement and was interviewed in Sep 2023. There were 4 interview rounds.
One binary search question ( aggressive cow) and one restapi
(1 Question)
- Q1. Questions on project, LRU cache and Trie
(1 Question)
- Q1. Hotel booking system design
- Ans.
Design a hotel booking system.
Create a database to store hotel information, room availability, and bookings.
Develop a user interface for customers to search and book hotels.
Implement a payment gateway for secure transactions.
Include features like room selection, date selection, and guest information.
Consider implementing a rating and review system for hotels.
Ensure the system can handle concurrent bookings and prevent
(2 Questions)
- Q1. Grinded on projects, development, react concepts, 2 coding questions
- Q2. Infix to postfix
Skills evaluated in this interview
I applied via Campus Placement and was interviewed in Mar 2024. There were 2 interview rounds.
Some apti ques and 2 coding ques
Asked 2 dsa medium ques
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Oracle Interview FAQs
Some of the top questions asked at the Oracle Application Developer interview -
The duration of Oracle Application Developer interview process can vary, but typically it takes about less than 2 weeks to complete.
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Oracle Interviews By Designations
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Interview Questions for Popular Designations
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Oracle Application Developer Interview Process
based on 27 interviews
5 Interview rounds
- Technical Round - 1
- Coding Test Round
- Technical Round - 2
- HR Round
- Personal Interview1 Round
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Oracle Application Developer Reviews and Ratings
based on 80 reviews
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