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Hitachi Energy Data Engineer Interview Questions and Answers

Updated 17 Jul 2024

Hitachi Energy Data Engineer Interview Experiences

1 interview found

Data Engineer Interview Questions & Answers

user image navin k

posted on 17 Jul 2024

Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(3 Questions)

  • Q1. Difference between ADF and synapse in Azure
  • Ans. 

    ADF is a cloud-based data integration service while Synapse is an analytics service that brings together big data and data warehousing.

    • ADF is used for data integration and orchestration tasks, while Synapse is used for big data analytics and data warehousing

    • ADF allows you to create data pipelines to move and transform data, while Synapse provides a unified experience for data preparation, data management, data warehous...

    • Answered by AI
    Add your answer
  • Q2. What RDD & why
  • Ans. 

    RDD stands for Resilient Distributed Dataset, a fundamental data structure in Apache Spark.

    • RDD is a fault-tolerant collection of elements that can be operated on in parallel.

    • RDDs are immutable, meaning they cannot be changed once created.

    • RDDs support two types of operations: transformations (creating a new RDD from an existing one) and actions (returning a value to the driver program).

    • Answered by AI
    Add your answer
  • Q3. What SCD1 and SCD2
  • Ans. 

    SCD1 and SCD2 are types of slowly changing dimensions used in data warehousing.

    • SCD1 (Type 1): Overwrites old data with new data, losing historical information.

    • SCD2 (Type 2): Keeps track of historical data by creating new records for changes.

    • SCD1 is simpler and faster, while SCD2 provides more detailed historical information.

    • Example: SCD1 would update a customer's address directly, while SCD2 would create a new record w...

    • Answered by AI
    Add your answer

Skills evaluated in this interview

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Interview Tips & Stories
5d (edited)
timepasstiwari
·
A Digital Markter
Got Rejected In an Interview, Just Because I Didn’t Answer a Personal Question
So, I got invited for this interview, and they told me to be there at 9 AM. Of course, I get there early, like 8:30, because I don't want to be late. But then I end up waiting for 1.5 hours. Seriously, they didn't even acknowledge me until 10. Then this HR lady calls me in, and she's totally unprofessional. She's like, on her phone, making personal calls while I'm sitting right there. And then she starts asking me these really weird questions, like what my nickname is, and what my dad does for a living. It got really uncomfortable when she started pressing for details about where my dad works. I mean, what does that have to do with anything? So I politely told her I didn't want to answer, and she actually said, "Then we can't continue this interview." I was honestly shocked. But instead of arguing, I just stood up and said, “Alright then.” And walked out. I left feeling pissed. Not only did they waste an hour of my time, but the HR rep was also rude and unprofessional..
Got a question about Hitachi Energy?
Ask anonymously on communities.

Interview questions from similar companies

Data Analyst Interview Questions & Answers

Adani Group user image Ayush Vaishya

posted on 3 Dec 2024

Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Aptitude Test 

Mettle test and mcq were given in interview

Data Analyst Interview Questions & Answers

ABB user image Anonymous

posted on 26 Jun 2024

Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via Referral and was interviewed in Dec 2023. There was 1 interview round.

Round 1 - Technical 

(3 Questions)

  • Q1. Explain Order of execution in SQL
  • Ans. 

    Order of execution in SQL determines the sequence in which different clauses are processed in a query.

    • SQL query is processed in the following order: FROM, WHERE, GROUP BY, HAVING, SELECT, ORDER BY.

    • FROM clause is processed first to retrieve data from tables.

    • WHERE clause filters the data based on specified conditions.

    • GROUP BY clause groups the data based on specified columns.

    • HAVING clause filters the grouped data.

    • SELECT ...

    • Answered by AI
    Add your answer
  • Q2. Sumifs function
    • Add your answer
  • Q3. Boxplots?Histograms?
    • Add your answer

Interview Preparation Tips

Interview preparation tips for other job seekers - Focus on SQL AND EXCEL

Skills evaluated in this interview

Data Analyst Interview Questions & Answers

Schneider Electric user image Arun Vashisht

posted on 13 Apr 2024

Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Recruitment Consulltant and was interviewed before Apr 2023. There were 3 interview rounds.

Round 1 - HR 

(1 Question)

  • Q1. He ask about of your previous company and all
    • Add your answer
Round 2 - Technical 

(1 Question)

  • Q1. It totals depends upon for which profile you are giving interview. Mine was Data Analyst so the interviewer ask me about excel,sql,power bi and some part of statistics
    • Add your answer
Round 3 - Behavioral 

(1 Question)

  • Q1. He just asked my about my profile briefly and then questioned me about my profile ony then he told me about the work culture and the requiremnt of the profile.
    • Add your answer

Senior Engineer Interview Questions & Answers

Kirloskar Electric Company user image AKSHAY V SHANBHAG

posted on 15 Jan 2024

Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(1 Question)

  • Q1. Related to procurement
    • Add your answer
Round 2 - HR 

(1 Question)

  • Q1. Related to salary expectations
    • Add your answer
Round 3 - One-on-one 

(1 Question)

  • Q1. Related to joining the company and previous background
    • Add your answer

Software Engineer Interview Questions & Answers

CG Power and Industrial Solutions user image Anonymous

posted on 6 Nov 2024

Interview experience
5
Excellent
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via LinkedIn and was interviewed before Nov 2023. There were 3 interview rounds.

Round 1 - Aptitude Test 

Apptitude test was quite easy to attend

Round 2 - Coding Test 

Hackerrank platform was used for coding round.

Round 3 - HR 

(2 Questions)

  • Q1. Salary expectations
    • Add your answer
  • Q2. Willing to relocate
  • Ans. 

    Yes, I am willing to relocate for the right opportunity.

    • I am open to relocating for a position that aligns with my career goals and offers growth opportunities.

    • I have relocated in the past for job opportunities and have found it to be a positive experience.

    • I understand that relocation may come with challenges, but I am prepared to adapt and thrive in a new environment.

    • Answered by AI
    Add your answer

Senior Engineer Interview Questions & Answers

CG Power and Industrial Solutions user image Anonymous

posted on 23 Sep 2022

I applied via Walk-in

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all tips
Round 2 - Technical 

(2 Questions)

  • Q1. GD&T QUESTION? Technical question?
    • Add your answer
  • Q2. GD&T- Geometric dimensioning & Tolerancing
    • Add your answer

Interview Preparation Tips

Interview preparation tips for other job seekers - Very through with technical knowledge.
Good knowledge of practical.
Confidence will add advantage.

Senior Engineer Interview Questions & Answers

Suzlon Group user image Anonymous

posted on 6 Jul 2017

Interview Questionnaire 

1 Question

  • Q1. Normal question about personality and job related
    • Add your answer

Interview Preparation Tips

Round: Test
Experience: Interview was going smoothly & all questions was related my job so it's was easy for me.
Tips: Good knowledge about of wind turbine
Duration: 2 hours
Total Questions: 25

Round: HR Interview
Experience: Interview was completed so easy
Tips: Required nice personality and confidence is must required

Senior Engineer Interview Questions & Answers

Kirloskar Electric Company user image Anonymous

posted on 3 Apr 2021

I applied via Referral and was interviewed in Oct 2020. There were 5 interview rounds.

Interview Questionnaire 

4 Questions

  • Q1. Questions related to your current job.
    • Add your answer
  • Q2. They check your confidence level and your communication level.
    • Add your answer
  • Q3. Should know to handle pressure.
    • Add your answer
  • Q4. They test your technical knowledge in the field you have previously worked at.
    • Add your answer

Interview Preparation Tips

Interview preparation tips for other job seekers - Be confident and realistic. Give true information about what you have done in previous industry.

Software Engineer Interview Questions & Answers

Schneider Electric user image Anonymous

posted on 29 Mar 2021

Interview Questionnaire 

1 Question

  • Q1. Prepare python data structures and python basics
    • Add your answer
More about working at Hitachi Energy

Hitachi Energy Interview FAQs

How many rounds are there in Hitachi Energy Data Engineer interview?
Hitachi Energy interview process usually has 1 rounds. The most common rounds in the Hitachi Energy interview process are Technical.
How to prepare for Hitachi Energy Data Engineer interview?
Go through your CV in detail and study all the technologies mentioned in your CV. Prepare at least two technologies or languages in depth if you are appearing for a technical interview at Hitachi Energy. The most common topics and skills that interviewers at Hitachi Energy expect are Procurement, System Testing, microsoft, Automation and Cloud Computing.
What are the top questions asked in Hitachi Energy Data Engineer interview?

Some of the top questions asked at the Hitachi Energy Data Engineer interview -

  1. Difference between ADF and synapse in Az...read more
  2. what RDD & ...read more
  3. what SCD1 and S...read more

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