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HCLTech Power BI Developer Interview Questions, Process, and Tips

Updated 26 Apr 2024

Top HCLTech Power BI Developer Interview Questions and Answers

HCLTech Power BI Developer Interview Experiences

3 interviews found

Interview experience
3
Average
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Naukri.com and was interviewed in Feb 2024. There were 2 interview rounds.

Round 1 - Technical 

(2 Questions)

  • Q1. Difference Between direct query mode and import mode
  • Ans. 

    Direct query mode connects to data source in real-time, while import mode loads data into Power BI for faster analysis.

    • Direct query mode connects to data source in real-time, providing up-to-date data

    • Import mode loads data into Power BI for faster analysis, but may not always reflect real-time changes

    • Direct query mode is suitable for large datasets that require real-time updates

    • Import mode is suitable for smaller datas

  • Answered by AI
  • Q2. Define powerBI in layman poin of view
  • Ans. 

    PowerBI is a data visualization tool that helps users analyze and visualize data to make informed business decisions.

    • PowerBI helps in creating interactive reports and dashboards

    • It allows users to connect to various data sources like Excel, SQL databases, and cloud services

    • Users can create custom visualizations and share insights with others

    • PowerBI can be used for data exploration, data modeling, and data storytelling

  • Answered by AI
Round 2 - Technical 

(1 Question)

  • Q1. How the end user access the report
  • Ans. 

    End users can access the report through Power BI Service, Power BI Mobile App, or embedded in other applications.

    • End users can access the report through Power BI Service by logging in with their credentials

    • End users can also access the report through Power BI Mobile App on their smartphones or tablets

    • Reports can be embedded in other applications using Power BI Embedded feature

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Basic questions

Power BI Developer Interview Questions & Answers

user image KIRAN KUMAR S

posted on 26 Apr 2024

Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-

I applied via Job Portal

Round 1 - Technical 

(1 Question)

  • Q1. Introduction, about the Project , Complex Dax written in project

Power BI Developer Interview Questions Asked at Other Companies

asked in KPMG India
Q1. Types of joins in power Bi & SQL and how it works?
asked in KPMG India
Q2. Difference between Sum and Sumx? And also Summerize vs Summerized ... read more
Q3. what are the difference between page level and report level filte ... read more
asked in Infosys
Q4. What is difference between calculate column and measures?
asked in KPMG India
Q5. Difference between calculate and calculate table ?

Interview Questionnaire 

1 Question

  • Q1. What is a power bi
  • Ans. 

    Power BI is a business analytics tool that provides interactive visualizations and business intelligence capabilities.

    • Power BI is a Microsoft product used for data analysis and visualization.

    • It allows users to connect to various data sources and create interactive reports and dashboards.

    • Power BI provides a wide range of visualizations, such as charts, maps, and tables, to represent data.

    • Users can create custom calculat...

  • Answered by AI

Skills evaluated in this interview

Interview questions from similar companies

I applied via Naukri.com and was interviewed before Oct 2021. There were 2 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 tips
Round 2 - Technical 

(2 Questions)

  • Q1. Can you please explain previous experience?
  • Q2. Can you explain about import model ?
  • Ans. 

    Import model is a Power BI feature that allows you to import data from various sources and create a data model.

    • Import model is used to create a data model in Power BI.

    • It allows you to import data from various sources such as Excel, CSV, SQL Server, etc.

    • You can create relationships between tables, add calculated columns, and measures.

    • Import model is useful when you have large amounts of data that need to be transformed ...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - My advice is without techinical knowledge plz Don't attend the interview.

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

Round 1 - Aptitude Test 
Round 2 - Coding Test 
Round 3 - Technical 

(1 Question)

  • Q1. Sql and os related questions,Java based
Round 4 - HR 

(4 Questions)

  • Q1. What are your salary expectations?
  • Q2. What is your family background?
  • Q3. Where do you see yourself in 5 years?
  • Q4. Tell me about yourself.

Interview Preparation Tips

Interview preparation tips for other job seekers - Whoever seeing this.. you will acheive your goals

Interview Questionnaire 

4 Questions

  • Q1. How many types of subscription in power BI report reserver
  • Ans. 

    There are two types of subscriptions in Power BI Report Server.

    • The two types of subscriptions are Power BI Report Server Standard and Power BI Report Server Enterprise.

    • The Standard subscription allows for a single server deployment, while the Enterprise subscription allows for a distributed deployment.

    • The Enterprise subscription also includes additional features such as high availability and disaster recovery.

    • Both subs...

  • Answered by AI
  • Q2. Email subscription, data driven subscription
  • Q3. Why are you using Sql server agent ?
  • Ans. 

    Sql server agent is used for scheduling and automating tasks in SQL Server.

    • Automates routine tasks like backups, index maintenance, etc.

    • Allows scheduling of jobs to run at specific times or intervals.

    • Provides alerts and notifications for job failures.

    • Can be used to execute PowerShell scripts or SSIS packages.

    • Helps improve database performance and reliability.

  • Answered by AI
  • Q4. Before creating the need check the sql server agent running or not if sql server Agent is not running the report schedules will be getting failed.

Skills evaluated in this interview

Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Selected Selected

I applied via Company Website 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 tips
Round 2 - HR 

(2 Questions)

  • Q1. Experiance and technical knowledge
  • Q2. Packages discussion after technical round
Round 3 - Technical 

(1 Question)

  • Q1. Related to our experiance technology
Round 4 - HR 

(1 Question)

  • Q1. Salary package disscussion

Interview Preparation Tips

Interview preparation tips for other job seekers - Good to work and grow our skills but salary and increments are less
Interview experience
4
Good
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via LinkedIn and was interviewed in Apr 2024. There was 1 interview round.

Round 1 - Technical 

(14 Questions)

  • Q1. What is star schema and snowflake schema?
  • Ans. 

    Star schema is a data warehouse schema where a central fact table is connected to multiple dimension tables. Snowflake schema is a normalized form of star schema.

    • Star schema consists of a central fact table connected to multiple dimension tables

    • Snowflake schema is a normalized form of star schema where dimension tables are further normalized into sub-dimension tables

    • Star schema is denormalized for faster query performa...

  • Answered by AI
  • Q2. Explain about your experience in SQL joins
  • Q3. Tell me what ways you improve performance of report?
  • Ans. 

    Performance of reports can be improved by optimizing queries, reducing data volume, using efficient visuals, and caching data.

    • Optimize queries by removing unnecessary columns and filters

    • Reduce data volume by aggregating data at the source or using incremental refresh

    • Use efficient visuals like matrix instead of tables for large datasets

    • Cache data to reduce query times for frequently accessed data

  • Answered by AI
  • Q4. What is data query and data flow?
  • Ans. 

    Data query is the process of retrieving specific data from a database, while data flow is the movement of data from one point to another.

    • Data query involves writing SQL queries to extract specific data from a database

    • Data flow refers to the movement of data from source to destination through various transformations

    • Data query is used to filter and retrieve relevant data, while data flow ensures data is processed and mov...

  • Answered by AI
  • Q5. Difference between power query and direct query
  • Ans. 

    Power Query is used to import and transform data within Power BI, while Direct Query allows real-time data access from the data source.

    • Power Query is used to import and transform data within Power BI before loading it into the data model.

    • Direct Query allows Power BI to query the data source directly in real-time, without importing the data into the data model.

    • Power Query is suitable for smaller datasets that can be loa...

  • Answered by AI
  • Q6. What is RANK & DENSE RANK in SQL
  • Ans. 

    RANK assigns a unique rank to each row based on a specified column, while DENSE RANK assigns a unique rank to each distinct row.

    • RANK function is used to assign a unique rank to each row based on a specified column

    • DENSE RANK function is used to assign a unique rank to each distinct row, skipping ranks if there are ties

    • RANK and DENSE RANK are commonly used in SQL queries to rank data based on certain criteria

  • Answered by AI
  • Q7. What is Calculated column and Measure?
  • Ans. 

    Calculated column is a static column in a table calculated based on a formula, while Measure is a dynamic calculation based on aggregated data.

    • Calculated column is created in Power BI using DAX formula and stored in the data model.

    • Measure is a calculation performed on the fly based on the context of the visualization.

    • Calculated columns are static and can be used for filtering and sorting, while Measures are dynamic and

  • Answered by AI
  • Q8. Tell me about complex DAX functions you used
  • Ans. 

    I have used complex DAX functions like CALCULATE, FILTER, SUMX, etc. to perform advanced calculations in Power BI.

    • Used CALCULATE function to apply filters and context changes to calculations

    • Utilized FILTER function to filter data based on specific conditions

    • Implemented SUMX function to iterate over a table and perform calculations for each row

  • Answered by AI
  • Q9. What is CALCULATED function and how it works?
  • Ans. 

    CALCULATED function is used in Power BI to create custom calculations based on existing data in a report.

    • CALCULATED function is used to create custom calculations in DAX (Data Analysis Expressions) language.

    • It allows users to define complex calculations based on existing data in the report.

    • CALCULATED function can be used with other DAX functions to perform calculations like aggregations, comparisons, and conditional lo...

  • Answered by AI
  • Q10. What is query folding in power BI?
  • Ans. 

    Query folding in Power BI is a process where Power BI pushes the data transformation steps back to the data source.

    • Query folding improves performance by reducing the amount of data loaded into Power BI.

    • It allows Power BI to leverage the capabilities of the data source for data transformation.

    • Commonly used with relational databases like SQL Server, Oracle, etc.

    • Example: When filtering data in Power BI, query folding will...

  • Answered by AI
  • Q11. Tell me about types of Context
  • Ans. 

    Types of context refer to the different ways in which data can be analyzed and interpreted in Power BI.

    • Row context: evaluates calculations row by row

    • Filter context: applies filters to data before calculations

    • Query context: used in DAX queries to retrieve data

    • Relationship context: determines how tables are related

  • Answered by AI
  • Q12. Fundamentals of POWER BI?
  • Ans. 

    Power BI is a business analytics tool by Microsoft that provides interactive visualizations and business intelligence capabilities.

    • Power BI is a business analytics tool by Microsoft

    • It allows users to create interactive visualizations and reports

    • Users can connect to various data sources to import data

    • Power BI offers a wide range of data visualization options such as charts, graphs, and maps

    • Users can share and collaborat

  • Answered by AI
  • Q13. DDL & DML commands?
  • Q14. Give me an example forINNER JOIN in sql
  • Ans. 

    INNER JOIN is used to combine rows from two or more tables based on a related column between them.

    • Use INNER JOIN to retrieve rows from both tables that have matching values in the specified column

    • Syntax: SELECT column_name(s) FROM table1 INNER JOIN table2 ON table1.column_name = table2.column_name

    • Example: SELECT Orders.OrderID, Customers.CustomerName FROM Orders INNER JOIN Customers ON Orders.CustomerID = Customers.Cus

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - its good to prepare for basic questions from power BI and sql. Especially DAX

Skills evaluated in this interview

Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
No response
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 

(3 Questions)

  • Q1. WHAT IS ROW LEVEL SECURITY ?
  • Ans. 

    Row level security is a feature in Power BI that restricts data access at the row level based on user roles or criteria.

    • Row level security limits data access based on user roles or criteria

    • It ensures that users only see the data they are authorized to access

    • Row level security can be implemented using DAX expressions in Power BI

  • Answered by AI
  • Q2. What is data gateway
  • Ans. 

    Data gateway is a tool that connects on-premises data sources with cloud-based applications.

    • Data gateway allows for secure transfer of data between on-premises and cloud environments

    • It acts as a bridge between on-premises data sources and cloud services like Power BI

    • Data gateway helps in maintaining data security and compliance

    • Examples of data gateways include Power BI Gateway and Azure Data Gateway

  • Answered by AI
  • Q3. What is different between filter and slicer?
  • Ans. 

    Filters are used to restrict data at the report level, while slicers are interactive visual filters applied to specific visuals.

    • Filters are applied at the report level and affect all visuals, while slicers are applied to specific visuals only.

    • Slicers allow users to interactively filter data by selecting values from a list or range.

    • Filters can be applied to multiple visuals at once, while slicers are applied individuall...

  • Answered by AI

Skills evaluated in this interview

I applied via Naukri.com and was interviewed in Jan 2021. There was 1 interview round.

Interview Questionnaire 

3 Questions

  • Q1. Types of Security in Power BI?
  • Ans. 

    Power BI provides various types of security to protect data and control access.

    • Row-level security allows restricting data access based on user roles or filters.

    • Data encryption ensures that data is securely stored and transmitted.

    • Azure Active Directory integration enables centralized user authentication and access control.

    • Power BI service provides access and sharing controls to manage permissions.

    • Data loss prevention po...

  • Answered by AI
  • Q2. How and where Gauge charts are used?
  • Ans. 

    Gauge charts are used to visually represent a single value within a given range.

    • Gauge charts are commonly used in business dashboards to display key performance indicators (KPIs).

    • They provide a quick and intuitive way to assess the current status or progress towards a goal.

    • Gauge charts can be used to show metrics such as sales targets, customer satisfaction scores, or production efficiency.

    • They are effective in highlig...

  • Answered by AI
  • Q3. What is Gateway and Dataflow?
  • Ans. 

    Gateway is a tool that allows Power BI to connect to on-premises data sources. Dataflow is a self-service data preparation tool in Power BI.

    • Gateway enables Power BI to securely access on-premises data sources.

    • Dataflow allows users to extract, transform, and load data from various sources into Power BI.

    • Gateway and Dataflow work together to enable data refresh and data preparation in Power BI.

    • Gateway can be used to conne...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Be calm and answer questions with help of examples.

Skills evaluated in this interview

HCLTech Interview FAQs

How many rounds are there in HCLTech Power BI Developer interview?
HCLTech interview process usually has 1-2 rounds. The most common rounds in the HCLTech interview process are Technical.
How to prepare for HCLTech Power BI 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 Power Bi, SQL, Administration, Analysis and Cognos.
What are the top questions asked in HCLTech Power BI Developer interview?

Some of the top questions asked at the HCLTech Power BI Developer interview -

  1. Difference Between direct query mode and import m...read more
  2. How the end user access the rep...read more
  3. What is a power...read more

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HCLTech Power BI Developer Interview Process

based on 4 interviews

Interview experience

4.3
  
Good
View more
Join HCLTech Find your spark and discover what drives you forward
HCLTech Power BI Developer Salary
based on 462 salaries
₹3 L/yr - ₹12 L/yr
At par with the average Power BI Developer Salary in India
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HCLTech Power BI Developer Reviews and Ratings

based on 24 reviews

3.3/5

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3.4

Skill development

3.6

Work-life balance

2.7

Salary

3.7

Job security

3.5

Company culture

2.6

Promotions

3.2

Work satisfaction

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