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Oracle Server Technology Interview Questions, Process, and Tips

Updated 2 Dec 2015

Top Oracle Server Technology Interview Questions and Answers

View all 7 questions

Oracle Server Technology Interview Experiences

2 interviews found

Interview Questionnaire 

13 Questions

  • Q1. How to solve the question 1 with O(n),O(logn) time complexity
  • Ans. 

    To solve question 1 with O(n) time complexity, iterate through the array once. To solve with O(logn) time complexity, use binary search.

    • For O(n) time complexity, iterate through the array once and perform the required operations.

    • For O(logn) time complexity, use binary search to find the desired element or perform the required operations.

    • O(n) time complexity is generally faster than O(logn) time complexity for smaller i...

  • Answered by AI
  • Q2. Memory Management Scheme in UNIX OS
  • Ans. 

    UNIX OS uses a dynamic memory management scheme to allocate and deallocate memory efficiently.

    • UNIX OS uses virtual memory to provide each process with its own address space.

    • The memory management scheme includes techniques like paging and segmentation.

    • Paging divides memory into fixed-size pages and maps them to physical memory.

    • Segmentation divides memory into logical segments of varying sizes.

    • UNIX OS uses demand paging ...

  • Answered by AI
  • Q3. Design the data structure for the efficient implementation of cache level memory
  • Ans. 

    The data structure for efficient implementation of cache level memory is a multi-level cache hierarchy.

    • Use a multi-level cache hierarchy with different levels of cache (L1, L2, L3, etc.)

    • Each cache level should have a smaller size and faster access time compared to the previous level

    • Implement a cache coherence protocol to ensure consistency between different cache levels

    • Use a replacement policy (e.g., LRU - Least Recent...

  • Answered by AI
  • Q4. Some basic questions on OOPS concept
  • Q5. Pre-order traversal of a BST iteratively
  • Ans. 

    Pre-order traversal of a BST iteratively

    • Create an empty stack and push the root node onto it

    • While the stack is not empty, pop the top node and print its value

    • Push the right child onto the stack if it exists

    • Push the left child onto the stack if it exists

  • Answered by AI
  • Q6. Questions on academic Projects
  • Q7. Questions on File Systems
  • Q8. Lamp Stack
  • Q9. ACID properties
  • Ans. 

    ACID properties are a set of characteristics that ensure reliability and consistency in database transactions.

    • ACID stands for Atomicity, Consistency, Isolation, and Durability.

    • Atomicity ensures that a transaction is treated as a single, indivisible unit of work.

    • Consistency ensures that a transaction brings the database from one valid state to another.

    • Isolation ensures that concurrent transactions do not interfere with ...

  • Answered by AI
  • Q10. Differentiate between mutex and semaphores
  • Ans. 

    Mutex and semaphores are synchronization mechanisms used in multi-threaded environments.

    • Mutex is used to provide mutual exclusion, allowing only one thread to access a shared resource at a time.

    • Semaphore is used to control access to a shared resource by multiple threads, allowing a specified number of threads to access it simultaneously.

    • Mutex is binary, meaning it has only two states: locked or unlocked.

    • Semaphore can h...

  • Answered by AI
  • Q11. How to find the nth node in a linked list
  • Ans. 

    To find the nth node in a linked list, iterate through the list until reaching the nth node.

    • Start at the head of the linked list

    • Iterate through the list, moving to the next node each time

    • Stop when reaching the nth node

  • Answered by AI
  • Q12. Tell me something about yourself
  • Ans. 

    I am a dedicated and experienced server technician with a passion for technology and problem-solving.

    • I have been working in the server technology field for over 5 years.

    • I have extensive knowledge of server hardware and software.

    • I am skilled in troubleshooting and resolving server-related issues.

    • I have experience in managing server infrastructure and ensuring optimal performance.

    • I am constantly staying updated with the ...

  • Answered by AI
  • Q13. Some puzzles like 25horse puzzle,trunk problem

Interview Preparation Tips

Round: Test
Experience: Q1. Array Expansion

Input Array:a3b2c1

Output Array:aaabbc

Q2. Write a function to send a binary tree in a straight wire and receive it.

Q3. Write a function to play a list of songs in random manner.

College Name: NA

Skills evaluated in this interview

Interview Preparation Tips

Round: Test
Experience: Aptitude Round (general for all oracle sections like systems, gcs, AD, ST).Followed by technical and HR round.

General Tips: Great experience with interview panel. I was suffering from severe throat infection and voice was not coming out properly. They dint care about all that and checked my skills and selected me. And also they have invited us for breakfast in Taaj the very next day. Feel its awesome company and great work culture.
Programming : Tree, Btree, Tries ..
Operating System: Memory Management
Networks: OSI model
DBMS : basics. they dint ask me any.
showcase your interest in big data, servers and passion for technology.
Skill Tips: Don't expect direct questions from geeksforgeeks. To me they asked my favourite subject but from other friends i got to know that whatever you say they will come to Operating System, Virtualisation, C programming. My advice is to cover Operating System in depth and have idea about virtualization.
Skills:
College Name: NIT Surathkal

Server Technology Interview Questions Asked at Other Companies

asked in Oracle
Q1. How to solve the question 1 with O(n),O(logn) time complexity
asked in Oracle
Q2. Design the data structure for the efficient implementation of cac ... read more
asked in Oracle
Q3. How to find the nth node in a linked list
asked in Oracle
Q4. Differentiate between mutex and semaphores
asked in Oracle
Q5. Memory Management Scheme in UNIX OS

Interview questions from similar companies

I applied via Recruitment Consultant and was interviewed in Apr 2021. There were 9 interview rounds.

Interview Questionnaire 

5 Questions

  • Q1. What can I do , my slary package & dy + tay + convince + bonus , comp profile study ,
  • Q2. This MNC company working do , I strong customer , govt & pvt , industries , bank , international market , engineering collage , exstra
  • Q3. Kanpur & other location working
  • Q4. My product is power equpmient saving , ( server data )
  • Q5. Business marketing deviolpment

Interview Preparation Tips

Interview preparation tips for other job seekers - any time days , but 1 day asked your reply interview

I applied via Campus Placement and was interviewed before Jul 2021. There were 4 interview rounds.

Round 1 - Aptitude Test 

Aptitude test on CS subjects like C programming, DBMS, CN, and OS.

Round 2 - Coding Test 

There were 2 input-output based questions of easy to moderate level

Round 3 - Group Discussion 

Every candidate was given an individual topic and was asked to speak on it

Round 4 - HR 

(1 Question)

  • Q1. Some typical HR questions

Interview Preparation Tips

Interview preparation tips for other job seekers - Be prepared with basic CS subjects you will be able to clear all rounds with ease.

I applied via Company Website and was interviewed before Dec 2020. There were 4 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. Questions on Java,SQL,some trending technologies(IOT,Big data),pattern questions, programming questions with different approaches.

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare basics of DSA, have knowledge about the databases, some common dml ,ddl statements, programming knowledge of a particular language like C,Java, python,etc...have good command on oops concepts... little bit of frameworks knowledge will also help

I applied via Company Website and was interviewed before Jul 2021. There were 3 interview rounds.

Round 1 - Aptitude Test 

Aptitude, reasoning, English, cloud sections

Round 2 - Coding Test 

2 questions in which , one has to complete within an 50 minutes

Round 3 - Communication assessment 

(2 Questions)

  • Q1. Tell me about t Yourself
  • Q2. What are the previous experiences

Interview Preparation Tips

Topics to prepare for Accenture Associate Software Engineer interview:
  • Java
  • SQL
  • Agile Methodology
  • SDLC
Interview preparation tips for other job seekers - Be confident
Keep it just and short
Explain more about your experiences

I applied via Recruitment Consultant and was interviewed before Jul 2020. There was 1 interview round.

Interview Questionnaire 

1 Question

  • Q1. DS Algo Questions on Trees. Leadership Principles

Interview Preparation Tips

Interview preparation tips for other job seekers - Read up on DS Algo and white paper coding and Leadership Principles

I was interviewed before Sep 2020.

Round 1 - Coding Test 

Round duration - 60 minutes
Round difficulty - Easy

Round 2 - Face to Face 

Round duration - 50 minutes
Round difficulty - Easy

Round 3 - Face to Face 

Round duration - 60 minutes
Round difficulty - Easy

At the beginning of this round, the interviewer asked me about the data structures I knew. Linked lists, trees, graphs, arrays etc. was my answer. He asked me how well I knew Dynamic Programming. I said I wasn’t strong in that and he said that he would ask me a question on dynamic programming for sure.

Round 4 - Face to Face 

Round duration - 40 minutes
Round difficulty - Easy

 

The interviewer asked me if I was comfortable with the interview process so far and how the previous interviews were. I said it was good and he gave me the first problem to solve.

Round 5 - Face to Face 

(1 Question)

Round duration - 60 minutes
Round difficulty - Easy

The interviewer asked me some Com­puter Sci­ence‍ fundamentals in this round as well as some behavioural questions.

  • Q1. Implement a Trie data structure and write functions to insert and search for a few words in it.
  • Ans. 

    Implement a Trie data structure with insert and search functions.

    • Create a TrieNode class with children and isEndOfWord attributes.

    • Implement insert function to add words by iterating through characters.

    • Implement search function to check if a word exists by traversing the Trie.

    • Example: Insert 'apple', 'banana', 'orange' and search for 'apple' and 'grape'.

  • Answered by AI

Interview Preparation Tips

Professional and academic backgroundI applied for the job as SDE - 1 in HyderabadEligibility criteria 7 CGPA Amazon interview preparation:Topics to prepare for the interview - Data Structures and Algorithms, Operating System, Database Management System, Object-Oriented Programming SystemTime required to prepare for the interview - 8 monthsInterview preparation tips for other job seekers

Do lot of hard work and practice of  Data Structures and Algorithms based questions. I personally recommend you Coding Ninjas and Geeks For Geeks for interview preparation.

Application resume tips for other job seekers

Make your resume short and try to make it of one page only and do mention all your skills which you are confident of in your resume.

Final outcome of the interviewSelected

Skills evaluated in this interview

I applied via Newspaper Ad and was interviewed before Jun 2021. There were 3 interview rounds.

Round 1 - Aptitude Test 
Round 2 - Technical 

(1 Question)

  • Q1. Basic questions of java.
Round 3 - HR 

(1 Question)

  • Q1. Intro and other hr related questions.

Interview Preparation Tips

Interview preparation tips for other job seekers - Cover the basic questions regarding the programming language.

I was interviewed in Aug 2017.

Interview Questionnaire 

7 Questions

  • Q1. Implement Merge Sort.
  • Ans. 

    Merge Sort is a divide and conquer algorithm that sorts an array by dividing it into two halves, sorting them separately, and then merging the sorted halves.

    • Divide the array into two halves

    • Recursively sort the two halves

    • Merge the sorted halves

  • Answered by AI
  • Q2. Given a BST containing distinct integers, and a number ‘X’, find all pairs of integers in the BST whose sum is equal to ‘X’.
  • Ans. 

    Find pairs of integers in a BST whose sum is equal to a given number.

    • Traverse the BST and store the values in a hash set.

    • For each node, check if (X - node.value) exists in the hash set.

    • If yes, add the pair (node.value, X - node.value) to the result.

    • Continue traversal until all nodes are processed.

  • Answered by AI
  • Q3. Given a set of time intervals in any order, merge all overlapping intervals into one and output the result which should have only mutually exclusive intervals.
  • Ans. 

    Merge overlapping time intervals into mutually exclusive intervals.

    • Sort the intervals based on their start time.

    • Iterate through the intervals and merge overlapping intervals.

    • Output the mutually exclusive intervals.

    • Example: [(1,3), (2,6), (8,10), (15,18)] -> [(1,6), (8,10), (15,18)]

  • Answered by AI
  • Q4. What are the different types of hashing? Suggest an alternative and a better way for Linear Chaining.
  • Ans. 

    Different types of hashing and alternative for Linear Chaining

    • Different types of hashing include division, multiplication, and universal hashing

    • Alternative for Linear Chaining is Open Addressing

    • Open Addressing includes Linear Probing, Quadratic Probing, and Double Hashing

  • Answered by AI
  • Q5. Implement AVL Tree.
  • Ans. 

    An AVL tree is a self-balancing binary search tree where the heights of the left and right subtrees differ by at most one.

    • AVL tree is a binary search tree with additional balance factor for each node.

    • The balance factor is the difference between the heights of the left and right subtrees.

    • Insertion and deletion operations in AVL tree maintain the balance factor to ensure the tree remains balanced.

    • Rotations are performed ...

  • Answered by AI
  • Q6. Minimum number of squares whose sum equals to given number n.
  • Ans. 

    Find the minimum number of squares whose sum equals to a given number n.

    • Use dynamic programming to solve the problem efficiently.

    • Start with finding the square root of n and check if it is a perfect square.

    • If not, then try to find the minimum number of squares required for the remaining number.

    • Repeat the process until the remaining number becomes 0.

    • Return the minimum number of squares required for the given number n.

  • Answered by AI
  • Q7. Insertion sort for a singly linked list.
  • Ans. 

    Insertion sort for a singly linked list.

    • Traverse the list and compare each node with the previous nodes

    • If the current node is smaller, swap it with the previous node

    • Repeat until the end of the list is reached

    • Time complexity is O(n^2)

  • Answered by AI

Interview Preparation Tips

Round: Test
Experience: There were 2 coding questions (no penalty for wrong submission) and 20 Multiple Choice Questions(with negative marking). We were given 90 minutes to solve them. MCQs were based on Data Structures, OS, CN, C outputs, OOP etc.
Tips: Experience in Competitive Programming might help in solving coding questions. No constraints were mentioned and detailed Instructions related to problem were stated vaguely. So code carefully.
Duration: 1 hour 30 minutes
Total Questions: 22

Round: Technical Interview
Experience: The interviewer asked me to introduce myself and a brief introduction of the projects that I have done. She first asked me questions related to my project. After that she moved on to the data structures part.
Tips: Take your time to approach the problems and if the question is not clear ask the interviewer to explain it again.

Round: Technical Interview
Experience: The interviewer asked me about how my previous round went. After that, he asked me to introduce myself and a brief introduction of the projects that I have done. He first asked me a few questions related to my project. Then he moved on to the data structures part. In this round the interviewer gave me strict time limit for coding the solution on paper for each problem and as soon as I was done coding he gave me 2-3 minutes every time to find errors and debug my code.
Tips: Do not panic even if the interviewer sets time limit while solving problems. If the question is not clear ask the interviewer to explain it again.

College Name: The LNM Institute Of Information Technology, Jaipur

Skills evaluated in this interview

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