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HCLTech ETL Developer Interview Questions and Answers

Updated 6 Dec 2024

HCLTech ETL Developer Interview Experiences

2 interviews found

Interview experience
3
Average
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(2 Questions)

  • Q1. Introduce yourself
  • Ans. 

    I am an experienced ETL Developer with a strong background in data integration and transformation.

    • Over 5 years of experience in ETL development

    • Proficient in using tools like Informatica, Talend, and SSIS

    • Strong SQL skills for data querying and manipulation

    • Experience in designing and implementing data warehouses

    • Familiar with data modeling and ETL best practices

  • Answered by AI
  • Q2. What is SCD type2

ETL Developer Interview Questions & Answers

user image Anonymous

posted on 11 Aug 2024

Interview experience
2
Poor
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
No response

I applied via Referral and was interviewed in Jul 2024. There was 1 interview round.

Round 1 - One-on-one 

(1 Question)

  • Q1. Which version of talend you are using
  • Ans. 

    I am using Talend version 7.3.1 for ETL development.

    • I am currently using Talend version 7.3.1 for ETL development.

    • The specific version of Talend being used is 7.3.1.

    • Talend 7.3.1 offers various features and improvements for ETL processes.

  • Answered by AI

Skills evaluated in this interview

ETL Developer Interview Questions Asked at Other Companies

asked in Ciber
Q1. What are the content of APT_CONFIG_FILE? Can you brief on the rel ... read more
asked in ZS
Q2. What is the process flow of Slowly Changing Dimension Type 2 (SCD ... read more
asked in Ciber
Q3. What is RCP? In What scenario you have used this in your project?
Q4. What is trigger . Do Implementation of types of trigger?
asked in Ciber
Q5. What are the methods available in Aggregator stage?

Interview questions from similar companies

Interview Questionnaire 

4 Questions

  • Q1. Whats is mapping
  • Ans. 

    Mapping is the process of defining the relationship between source and target data in ETL.

    • Mapping involves identifying the source and target data structures.

    • It also involves defining the transformation rules to be applied to the source data.

    • Mappings can be simple or complex depending on the complexity of the data.

    • Mapping is a critical step in ETL as it determines the accuracy and completeness of the data in the target

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

    Session refers to a period of time during which a user interacts with a computer system or application.

    • A session is created when a user logs into a system or application.

    • It is used to track user activity and maintain user-specific data.

    • Sessions can be terminated manually or automatically after a certain period of inactivity.

    • Session management is important for security purposes.

    • Examples of session management techniques

  • Answered by AI
  • Q3. Which role u did
  • Q4. Oracle sqi pl sqi
Round 1 - Technical 

(2 Questions)

  • Q1. About project worked on
  • Q2. Skill set questions based on what you are worked on
Round 2 - HR 

(1 Question)

  • Q1. Compansation Discussion

Interview Preparation Tips

Interview preparation tips for other job seekers - Be confident for what you have on the skillset. Go through the concepts before going to interview with multiple sites.
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Campus Placement and was interviewed before Jan 2022. There were 4 interview rounds.

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 Resume tips
Round 2 - Assignment 

It's an assignment for apti, verbal

Round 3 - Technical 

(1 Question)

  • Q1. It's like an what are u mentioned in resume skills.
Round 4 - HR 

(1 Question)

  • Q1. Just like interaction with candidate like personal details.

Interview Preparation Tips

Interview preparation tips for other job seekers - Be prepare on what u mentioned in resume skills and self confidence..
Interview experience
1
Bad
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(1 Question)

  • Q1. Greatest challenge faced while migrating to cloud from onpremise DB
  • Ans. 

    The greatest challenge faced during migration to cloud from on-premise DB is ensuring data security and compliance.

    • Ensuring data security during transit and at rest

    • Maintaining compliance with regulations and industry standards

    • Minimizing downtime and ensuring data integrity

    • Optimizing performance and cost efficiency in the cloud environment

  • Answered by AI

Skills evaluated in this interview

Round 1 - Technical 

(1 Question)

  • Q1. About the ETL Process
Round 2 - HR 

(1 Question)

  • Q1. What are your salary expectations?

Interview Preparation Tips

Interview preparation tips for other job seekers - Good and be confident on what you want to convery.
Interview experience
3
Average
Difficulty level
Moderate
Process Duration
-
Result
No response

I was interviewed in Jun 2024.

Round 1 - Technical 

(2 Questions)

  • Q1. Rank and dense rank
  • Q2. Scenario based etl question

I applied via LinkedIn and was interviewed in Aug 2022. There was 1 interview round.

Round 1 - Technical 

(2 Questions)

  • Q1. Question on logic SCD types
  • Q2. Dynamic lookup along with lookup

Interview Preparation Tips

Interview preparation tips for other job seekers - Technical mainly logic and interview is cool Lister so that you can explain well
Interview experience
5
Excellent
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Recruitment Consulltant and was interviewed in Feb 2024. There was 1 interview round.

Round 1 - Technical 

(5 Questions)

  • Q1. What is the uses of filter stage
  • Ans. 

    Filter stage is used in ETL processes to selectively pass or reject data based on specified criteria.

    • Filter stage helps in removing unwanted data from the input dataset.

    • It can be used to apply conditions like filtering out duplicate records, selecting specific columns, or excluding certain values.

    • For example, a filter stage can be used to only pass records where the sales amount is greater than $1000.

  • Answered by AI
  • Q2. What is the uses of transfor stage
  • Ans. 

    Transform stage is used in ETL process to apply business rules, clean and enrich data before loading into target database.

    • Transform stage is used to apply business rules to the data.

    • It is used to clean and standardize data before loading into the target database.

    • Transform stage can also be used to enrich data by combining multiple sources or adding calculated fields.

    • Examples include converting data types, removing dupl

  • Answered by AI
  • Q3. What is the uses of sort stage
  • Ans. 

    Sort stage is used in ETL processes to sort data based on specified criteria before loading it into the target system.

    • Sort stage helps in arranging data in a specific order for better analysis and reporting

    • It can be used to remove duplicates from data before loading

    • Sorting can be done based on multiple columns or expressions

    • Example: Sorting customer data based on their purchase amount before loading into a data warehou

  • Answered by AI
  • Q4. How to create the prallel job
  • Ans. 

    To create a parallel job, use parallel processing techniques to divide tasks into smaller subtasks that can be executed simultaneously.

    • Identify tasks that can be executed independently and in parallel

    • Use parallel processing techniques such as multi-threading or distributed computing

    • Implement parallel job using ETL tools like Informatica or Talend

    • Monitor and optimize parallel job performance to ensure efficient executio

  • Answered by AI
  • Q5. Defenation of scd
  • Ans. 

    SCD stands for Slowly Changing Dimension, a technique used in data warehousing to track changes in dimension attributes over time.

    • SCD is used to maintain historical data in a data warehouse

    • There are different types of SCDs - Type 1, Type 2, and Type 3

    • Type 1 SCD overwrites old data with new data

    • Type 2 SCD creates a new record for each change and maintains history

    • Type 3 SCD keeps a limited history by adding columns to tr

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Hi my name is ravindra pls check my profile .i'm intrested ur company

Skills evaluated in this interview

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HCLTech Interview FAQs

How many rounds are there in HCLTech ETL Developer interview?
HCLTech interview process usually has 1 rounds. The most common rounds in the HCLTech interview process are One-on-one Round and Technical.
How to prepare for HCLTech ETL Developer 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 HCLTech. The most common topics and skills that interviewers at HCLTech expect are ETL, Informatica, SQL, SSIS and MSBI.
What are the top questions asked in HCLTech ETL Developer interview?

Some of the top questions asked at the HCLTech ETL Developer interview -

  1. Which version of talend you are us...read more
  2. what is SCD ty...read more

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HCLTech ETL Developer Interview Process

based on 2 interviews

Interview experience

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HCLTech ETL Developer Salary
based on 111 salaries
₹1.5 L/yr - ₹9.5 L/yr
30% less than the average ETL Developer Salary in India
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based on 5 reviews

4.2/5

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