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TCS Data Operator Interview Questions and Answers
2 interviews found
Anonymous
3 Interview Rounds
Resume Shortlist Round
One-on-one Round (1 Question)
- Q1. I have no idea Add Answer
One-on-one Round (1 Question)
- Q1. What is your name
What is your favourite food Add Answer
Selected
I applied via Approached by Company and was interviewed in Aug 2023.
1 Interview Round
One-on-one Round (2 Questions)
- Q1. One by one question Add Answer
- Q2. Data operator how can help for company? View Answers (1)
Interview Preparation Tips
Interview questions from similar companies
I applied via Company Website and was interviewed in Jun 2022.
2 Interview Rounds
Aptitude Test Round
Logical and reasoning, numerical aptitude, missing numbers
Group Discussion Round
Any topics, every one share ideas
Interview Preparation Tips
- Data Entry
- Data Analysis
- Database
I applied via Naukri.com and was interviewed in Oct 2024.
2 Interview Rounds
Technical Round (7 Questions)
- Q1. How do you optimize SQL queries? View Answers (1)
- Q2. How do you do performance optimization in Spark. Tell how you did it in you project. View Answers (1)
- Q3. What is SparkContext and SparkSession? View Answers (1)
- Q4. When a spark job is submitted, what happens at backend. Explain the flow. View Answers (2)
- Q5. Calculate second highest salary using SQL as well as pyspark. View Answers (1)
- Q6. 2 types of modes for Spark architecture ? View Answers (1)
- Q7. If you want very less latency - which is better standalone or client mode? View Answers (1)
Technical Round (2 Questions)
- Q1. Scenario based. Write SQL and pyspark code for a dataset. Add Answer
- Q2. If you have to find latest record based on latest timestamp in a table for a particular customer(table is having history) , how will you do it. Self join and ne...read more Add Answer
Interview Preparation Tips
- SQL
- pyspark
- ETL
Skills evaluated in this interview
Sashikanta Parida
I applied via Recruitment Consulltant and was interviewed in Nov 2024.
2 Interview Rounds
Technical Round (3 Questions)
- Q1. What are different type of joins available in Databricks? View Answers (1)
- Q2. How do you make your data pipeline fault tolerant? View Answers (1)
- Q3. What is AutoLoader? View Answers (1)
Technical Round (2 Questions)
- Q1. How do you connect to different services in Azure? View Answers (1)
- Q2. What are linked Services? View Answers (1)
Rutuja Bhagat
I applied via Recruitment Consulltant and was interviewed in Nov 2024.
1 Interview Round
Technical Round (7 Questions)
- Q1. Difference between bigtable and bigquery. View Answers (1)
- Q2. How to remove duplicate rows from bigquery? find the month of a given date in bigquery. View Answers (1)
- Q3. What operator is used in composer to move data from gcs to bq View Answers (1)
- Q4. Write a code for this - input = [1,2,3,4]
output = [1,4,9,16] View Answers (1)
- Q5. Dataflow vs dataproc. View Answers (1)
- Q6. Architecture of bq. Query optimization techniques in bigquery. View Answers (1)
- Q7. RDD vs dataframe vs dataset in pyspark View Answers (1)
I applied via campus placement at Datta Meghe College of Engineering, Mumbai and was interviewed in Jun 2024.
3 Interview Rounds
Aptitude Test Round
Three rounds of evaluation will be conducted, each involving an elimination process: the first round will consist of multiple-choice questions on technology, the second round will focus on essay writing, and the third round will assess personality traits.
Coding Test Round
There is a duration of one hour to answer two questions, and participants can choose a programming language from a predefined set that includes C, C++, and Java.
One-on-one Round (2 Questions)
- Q1. Tell me about yourself Add Answer
- Q2. Method overiding Add Answer
Selected
I applied via Recruitment Consulltant and was interviewed in Nov 2024.
2 Interview Rounds
HR Round (2 Questions)
- Q1. Can you provide an overview of your background, including your past experiences and daily activities, as well as the tools you use in your routine? View Answers (1)
- Q2. What are the concepts of advanced Excel and Power BI projects, and how are they utilized within a company or for clients? View Answers (1)
One-on-one Round (2 Questions)
- Q1. Can you explain your project experience related to Advanced Excel and Power BI? View Answers (1)
- Q2. What are the concepts of credit and operations, particularly in relation to Know Your Customer (KYC) procedures and the privacy of client data? View Answers (1)
Interview Preparation Tips
Prateek Singh
I applied via Referral and was interviewed in Jun 2024.
3 Interview Rounds
Aptitude Test Round
Basic level aptitude questions that are easy to answer.
Group Discussion Round
A general group discussion.
One-on-one Round (1 Question)
- Q1. Basic sql problems and basic python question Add Answer
shrishti patel
Selected
3 Interview Rounds
One-on-one Round (1 Question)
- Q1. Python and sql related question Add Answer
One-on-one Round (1 Question)
- Q1. Pandas numpy visualisation sql Add Answer
Coding Test Round
Alteryx data processing and reporting
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