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TCS Database Administrator DBA Interview Questions and Answers

Updated 19 Jan 2021

TCS Database Administrator DBA Interview Experiences

1 interview found

Interview Questionnaire 

1 Question

  • Q1. What is your typing speed?
  • Ans. 

    My typing speed is around 70 words per minute.

    • My typing speed is measured at around 70 words per minute.

    • I have experience typing for extended periods of time without fatigue.

    • I am comfortable using a variety of keyboard layouts and typing software.

    • I prioritize accuracy over speed when typing important documents.

    • I am always looking for ways to improve my typing speed and efficiency.

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Interview should be held in proper manner between interviewer and interviewee.

Interview questions from similar companies

Interview Questionnaire 

4 Questions

  • Q1. Explain ora 60 error
  • Ans. 

    ORA-00600 is an internal error code that indicates a software bug or corrupted data.

    • ORA-00600 is a generic error message that indicates an internal error has occurred.

    • It is caused by a software bug or corrupted data.

    • It is a critical error that requires immediate attention from the DBA.

    • The error message includes a code that identifies the specific error.

    • The error can be resolved by applying a patch or contacting Oracle ...

  • Answered by AI
  • Q2. Explain ora600 error
  • Ans. 

    ORA-600 is an internal error code in Oracle database.

    • It is a generic error that indicates that something unexpected has occurred within the database.

    • It is usually accompanied by a detailed error message that provides more information about the cause of the error.

    • It can be caused by a variety of factors, including software bugs, hardware failures, and data corruption.

    • It is important to diagnose and resolve ORA-600 error...

  • Answered by AI
  • Q3. Clone high level steps
  • Ans. 

    Cloning high level steps involve creating a copy of an existing database or server.

    • Identify the source database or server to be cloned

    • Create a backup of the source database or server

    • Restore the backup to a new location or server

    • Modify the cloned database or server as needed

    • Test the cloned database or server to ensure it functions properly

  • Answered by AI
  • Q4. How to add datafile
  • Ans. 

    To add a datafile in a database, use the ALTER TABLESPACE statement.

    • Connect to the database as a user with the necessary privileges.

    • Identify the tablespace where you want to add the datafile.

    • Use the ALTER TABLESPACE statement with the ADD DATAFILE clause to add the datafile.

    • Specify the file name, size, and other attributes of the datafile.

    • Example: ALTER TABLESPACE users ADD DATAFILE '/path/to/datafile.dbf' SIZE 100M;

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Interviewer is good and medium level questions not easy not hard medium

Skills evaluated in this interview

I applied via Referral and was interviewed in Oct 2020. There were 3 interview rounds.

Interview Questionnaire 

2 Questions

  • Q1. How to install sql server on laptop?
  • Ans. 

    To install SQL Server on a laptop, download the installation file from Microsoft's website and follow the installation wizard.

    • Download the SQL Server installation file from Microsoft's website

    • Run the installation file and follow the installation wizard

    • Choose the appropriate installation options, such as the edition and features

    • Set up the necessary authentication and security settings

    • Complete the installation process an

  • Answered by AI
  • Q2. Joints and types examples
  • Ans. 

    Joints are used to combine data from multiple tables in a database. There are different types of joints such as inner, outer, left, and right.

    • Inner join returns only the matching rows from both tables

    • Outer join returns all the rows from both tables and null values for non-matching rows

    • Left join returns all the rows from the left table and matching rows from the right table

    • Right join returns all the rows from the right

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Be confident answer frankly , if you don't know answer don't mess it up just accept and proceed further

I applied via Naukri.com and was interviewed in Jan 2021. There were 3 interview rounds.

Interview Questionnaire 

10 Questions

  • Q1. Questions were asked based on your resume, your experience level and things you are supposed to know, specially in real time scenarios and activities.
  • Q2. Oracle Architecture
  • Q3. Oracle Dataguard
  • Q4. Oracle RAC
  • Q5. Oracle ASM
  • Q6. Database Upgrade
  • Q7. Database Migration
  • Q8. Database Patching
  • Q9. Performance Tuning
  • Q10. Cloud

Interview Preparation Tips

Interview preparation tips for other job seekers - There will be 3 rounds of interview.

1. Technical
2. Less Technical + More Managerial
3. HR (Basic information about you, your goals, why are you leaving your current company and Salary Expectations)

Bonus Round - The Actual Salary discussion and negotiation or bargaining with your assigned Recruiter, not with the HR who took your HR round,

Interview Questionnaire 

2 Questions

  • Q1. What is database.
  • Ans. 

    A structured collection of data that is organized and managed to provide access and efficient retrieval of information.

    • A database is a collection of related data that is organized in a specific way.

    • It is designed to store, retrieve, and manage data efficiently.

    • It can be used to store any type of data, such as text, images, videos, and more.

    • Examples of databases include MySQL, Oracle, SQL Server, and MongoDB.

  • Answered by AI
  • Q2. What is rdbms
  • Ans. 

    RDBMS stands for Relational Database Management System.

    • It is a type of database management system that stores data in tables with relationships between them.

    • It uses SQL (Structured Query Language) to manage and manipulate data.

    • Examples include Oracle, MySQL, Microsoft SQL Server, and PostgreSQL.

  • Answered by AI

Skills evaluated in this interview

I applied via Naukri.com and was interviewed in Mar 2021. There were 3 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. Day to day activities, Datapump activities, Rman jobs, Dataguard configuration

Interview Preparation Tips

Interview preparation tips for other job seekers - Don't attend interview in HCL, they will not respond back to emails. I have attended the interview and cleared all technical and non technical rounds, got call for Package discussion but not received the offer letter. After multiple emails , they responded back saying that they didn't consider the profile due Cost.worst experience with HCL
I don't recommend HCL to anyone .
HR names : Ravi Teja , Sadana Priya
If you get the call or mail from this 2 people please don't waste your time to attending intery in HCL.

Interview Questionnaire 

2 Questions

  • Q1. What is precompilaion unit?
  • Ans. 

    Precompilation unit is a compiled code that can be reused by multiple source files.

    • Precompilation unit is created by the compiler from the source code.

    • It contains the compiled code of header files and other dependencies.

    • It can be reused by multiple source files, reducing compilation time.

    • It is also known as precompiled header or PCH.

    • Example: stdafx.h in Visual Studio is a precompiled header file.

  • Answered by AI
  • Q2. About ur future,ur short term goal,why this company

Interview Preparation Tips

Skills: Resume, CGPA
College Name: IIT Kharagpur

Interview Questionnaire 

3 Questions

  • Q1. First 50 Prime Number
  • Ans. 

    The first 50 prime numbers are...

    • Start with 2, the first prime number

    • Check each odd number greater than 2

    • Use trial division to check if a number is prime

    • Stop when you have found 50 prime numbers

  • Answered by AI
  • Q2. How to sort the file in the range (hint provided)
  • Ans. 

    Sorting a file within a range

    • Use a sorting algorithm like quicksort or mergesort

    • Read the file and store the data in an array or list

    • Sort the array or list within the given range

    • Write the sorted data back to the file

  • Answered by AI
  • Q3. Tell me about yourself
  • Ans. 

    I am a passionate software engineer with experience in developing web applications using various technologies.

    • Experienced in developing web applications using HTML, CSS, JavaScript, and frameworks like React and Angular

    • Proficient in backend development with Node.js, Express, and MongoDB

    • Familiar with version control systems like Git and project management tools like Jira

  • Answered by AI

Interview Preparation Tips

Round: Resume Shortlist
Experience: Shortlist cut was 0.0 cgpa
Tips: Need to mention Programming skill in any one of three language C , C++ ,Java

Round: Test
Experience: Test was Average, Many question were from INDIABIX.COM , computer network, operating system ,data structure, c , c++ language
Tips: Understand Data Structure and Algorithm deeply, At least read about computer networks, operating system , DBMS 3-4 times for basic good understand, refer various site
Duration: 180 minutes

Round: Test
Experience: Two question were given , we have to write the code on A4 size sheet
Tips: Deep understanding of STACK AND QUEUE
Duration: 60 minutes

Round: Technical Interview
Experience: Previous Test (2 Questions on A4 size sheet) were discussed and is there any improvement that can be done, discussed each and every step.
Tips: Comments is important using programming
present with demo example (various cases)

Round: HR Interview
Experience: Be calm and show your interest in the company,
ask question about company, what are activity other than techincal technical stuff
Tips: Smile , if possible talk in Hindi - English,Try to Make the interview in discussion

General Tips: Practice Daily , Understand Each and Every Step in Detail , Try to code in A4 size paper then computer
Skill Tips: Read Good Books , Practice Daily

Skills: Algorithms And Data Structures
College Name: IIT Kharagpur

Skills evaluated in this interview

Interview Questionnaire 

19 Questions

  • Q1. Tell me about yoruself
  • Ans. 

    I am a passionate software engineer with experience in developing web applications and a strong background in computer science.

    • Experienced in developing web applications using technologies such as HTML, CSS, JavaScript, and React

    • Strong background in computer science with knowledge in algorithms and data structures

    • Passionate about learning new technologies and solving complex problems

  • Answered by AI
  • Q2. Tell me about your projects
  • Ans. 

    I have worked on various projects including a web application for inventory management and a mobile app for fitness tracking.

    • Developed a web application using React for inventory management

    • Created a mobile app using Flutter for fitness tracking

    • Implemented RESTful APIs for communication between frontend and backend systems

  • Answered by AI
  • Q3. Area of interest
  • Ans. 

    My area of interest is artificial intelligence and machine learning.

    • I have experience in developing machine learning models for predictive analytics.

    • I am interested in natural language processing and computer vision applications.

    • I enjoy exploring deep learning algorithms and neural networks.

    • I have worked on projects involving recommendation systems and image recognition.

  • Answered by AI
  • Q4. What are features of C++?
  • Ans. 

    C++ is a high-level programming language with features like object-oriented programming, templates, and memory management.

    • C++ supports object-oriented programming concepts like encapsulation, inheritance, and polymorphism.

    • Templates allow generic programming and code reusability.

    • C++ provides low-level memory manipulation through pointers.

    • Standard Template Library (STL) provides a collection of classes and functions for ...

  • Answered by AI
  • Q5. What is Big Data?
  • Ans. 

    Big Data refers to large and complex data sets that cannot be processed using traditional data processing methods.

    • Big Data is characterized by the 3Vs - Volume, Velocity, and Variety.

    • It requires specialized tools and technologies such as Hadoop, Spark, and NoSQL databases.

    • Examples of Big Data include social media data, sensor data, and financial market data.

  • Answered by AI
  • Q6. Write a program for reversing a string without using string function
  • Ans. 

    Program to reverse a string without using string function

    • Iterate through the string from end to start and append each character to a new string

    • Use a loop to swap the first and last characters, then move towards the middle until the entire string is reversed

    • Convert the string to a character array, then swap the first and last elements until the entire array is reversed

  • Answered by AI
  • Q7. What is your role in final year project?
  • Ans. 

    I was responsible for designing and implementing the project's database and backend functionality.

    • Designed the database schema and created the necessary tables

    • Implemented the backend functionality using Java and Spring framework

    • Collaborated with team members to integrate the frontend and backend components

    • Tested the application and fixed any bugs or issues that arose

    • Presented the project to the faculty and received pos

  • Answered by AI
  • Q8. What are keys in database and why do we use them?
  • Ans. 

    Keys in a database are unique identifiers used to establish relationships between tables and ensure data integrity.

    • Keys are used to uniquely identify records in a database table.

    • Primary keys are used to uniquely identify each record in a table.

    • Foreign keys establish relationships between tables.

    • Keys help enforce data integrity and maintain consistency in the database.

    • Examples of keys include primary keys, foreign keys,

  • Answered by AI
  • Q9. What are issues in cloud?
  • Ans. 

    Issues in cloud include security, downtime, vendor lock-in, and data privacy.

    • Security concerns such as data breaches and unauthorized access

    • Downtime and service interruptions affecting business operations

    • Vendor lock-in and limited flexibility in choosing cloud providers

    • Data privacy and compliance with regulations such as GDPR and HIPAA

  • Answered by AI
  • Q10. Brief introduction of your project and algorithms used in project
  • Ans. 

    Developed a web application for online shopping using React and Node.js

    • Implemented user authentication and authorization using JSON Web Tokens (JWT)

    • Used MongoDB as the database to store user and product information

    • Implemented a search feature using Elasticsearch to provide fast and accurate search results

    • Integrated Stripe payment gateway for secure online transactions

  • Answered by AI
  • Q11. Flow diagram of final year project
  • Ans. 

    The flow diagram of my final year project showcases the step-by-step process of its execution.

    • The flow diagram illustrates the sequence of activities and their dependencies.

    • It helps in understanding the overall structure and logic of the project.

    • Each step in the diagram represents a specific task or action.

    • Arrows indicate the flow of control or data between different steps.

    • Decision points are represented by diamond-sha...

  • Answered by AI
  • Q12. Why do we normalise our database?
  • Ans. 

    Normalisation reduces data redundancy and improves data integrity in a database.

    • Prevents data duplication and inconsistencies

    • Simplifies database maintenance and updates

    • Improves query performance

    • Enforces data integrity and consistency

    • Follows best practices for database design

    • Examples: breaking down a customer table into separate tables for orders, addresses, and payments

    • Examples: creating a separate table for product ca...

  • Answered by AI
  • Q13. Tell me about yourself
  • Ans. 

    I am a passionate software engineer with experience in developing web applications and a strong background in computer science.

    • Experienced in developing web applications using technologies like HTML, CSS, JavaScript, and React

    • Strong background in computer science with knowledge of algorithms and data structures

    • Familiar with agile development methodologies and version control systems like Git

  • Answered by AI
  • Q14. Tell me your 5 qualities so that i should hire you
  • Ans. 

    I am a problem solver, team player, quick learner, detail-oriented, and have strong communication skills.

    • Problem solver - I enjoy tackling complex problems and finding innovative solutions.

    • Team player - I work well with others and value collaboration in achieving goals.

    • Quick learner - I am able to pick up new technologies and concepts quickly.

    • Detail-oriented - I pay attention to the smallest details to ensure high-qual...

  • Answered by AI
  • Q15. Do you have any engineering background
  • Ans. 

    Yes, I have a Bachelor's degree in Computer Engineering.

    • Bachelor's degree in Computer Engineering

    • Experience in software development

    • Knowledge of engineering principles applied to software design

  • Answered by AI
  • Q16. How was your day?
  • Ans. 

    My day was productive and challenging, with a lot of problem-solving and collaboration.

    • Completed a major coding project ahead of schedule

    • Participated in a brainstorming session with team members

    • Solved a tricky bug in the codebase

    • Attended a virtual meeting with stakeholders

  • Answered by AI
  • Q17. Do you have relatives in Pune? or what about your accomodation?
  • Ans. 

    No, I do not have any relatives in Pune. I have arranged for my accommodation in a rented apartment near the office.

    • No relatives in Pune

    • Accommodation arranged in a rented apartment near the office

  • Answered by AI
  • Q18. Do you know about My Passion Challenge test?
  • Ans. 

    Yes, My Passion Challenge test is a coding competition for software engineers.

    • My Passion Challenge test is a coding competition that evaluates the coding skills of software engineers.

    • It is designed to test problem-solving abilities, algorithmic thinking, and coding proficiency.

    • Participants are given a set of coding challenges to solve within a specified time limit.

    • The challenges can range from simple to complex, coveri...

  • Answered by AI
  • Q19. Any higher studies plan?
  • Ans. 

    Considering pursuing a Master's degree in Computer Science to deepen knowledge and advance career.

    • Considering pursuing a Master's degree in Computer Science

    • To deepen knowledge and advance career

    • Examples: MS in Computer Science at XYZ University, online courses in AI and Machine Learning

  • Answered by AI

Interview Preparation Tips

Round: Test
Experience: In this section, you will find questions from all technical subjects like data structures,design and analysis of algorithms, software testing and quality assurance , computer networks, database management , C , C++ , C# and java. The difficulty level is moderate.
For this section you can study from indiabix.com
In the 2nd section, we have to write a program and also have to follow constraints mentioned in the problem statement. Programs are based on file handling, structure and union , string operations,etc.
In 3rd round, you have to write an essay of about 10 lines. Essay topics are general issues like I had 'Traffic issues in India'.
Tips: Stick to your basics.
All the concepts should be clear.
Programs should be syntactically correct. Try to mention comments and also display output as expected. It adds up to your representation even if your logic goes wrong. :)
For essay writing round, there should be no grammatical mistakes.
Time management is very important.

Duration: 90 minutes
Total Questions: 75

Round: Technical Interview
Experience: My first technical round really went well. So I was qualified for Hr round.
But some candidates had to appear for 2 technical interviews.

Tips: Stay confident about your answers and also mention area of interest in your resume and go through your resume before going to interview. 60% of technical interview is on projects. They are really interested in ideas used in your projects. Explain all the projects in detail like which front end and back end used.
Every round is an elimination round. So give your best and stay confident.


Round: HR Interview
Experience: Hr round is also elimination round. And you should have good communication skills.
There is always backfiring so you have to be attentive and confident.
Always try to reply in a positive way.
Tips: You should read about the history of company and also the domains on which they are working and their recent projects.

Skills: Verbal Communication Skills
College Name: Jawaharlal Nehru Engineering College

Skills evaluated in this interview

Interview Preparation Tips

Round: Test
Experience: An objective type written test. Around 60 questions in 1 hr which included around 10 aptitude questions and others from C, Datastructure, Operating System, Computer Network, Software Engineering, Database etc

Round: Technical Interview
Experience: Questions were mainly from Datastructure, Operating System and Database. I was asked to reverse a linked list using a stack and write some sql queries which included use of JOIN.

Round: HR Interview
Experience: At each stage, we get to know if we are still in the selection process of have been eliminated.They were looking for right logic rather than perfect syntax.

College Name: NA
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TCS Database Administrator DBA Salary
based on 10 salaries
₹4 L/yr - ₹15.8 L/yr
18% less than the average Database Administrator DBA Salary in India
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TCS Database Administrator DBA Reviews and Ratings

based on 9 reviews

4.1/5

Rating in categories

3.9

Skill development

4.2

Work-life balance

3.1

Salary

4.8

Job security

3.9

Company culture

3.5

Promotions

3.6

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