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QX Global Group Power BI Developer Interview Questions and Answers
QX Global Group Power BI Developer Interview Experiences
1 interview found
Ayush Sharma
Normal theoretical questions on Power Bi
(1 Question)
- Q1. Asked to prepare a dashboard
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Anonymous
Selected
I applied via Approached by Company and was interviewed in Dec 2024. There were 2 interview rounds.
(3 Questions)
- Q1. What is the DAX formula for calculating a running total?
- Q2. What is the DAX formula for replacing blank values with zero and vice versa?
- Q3. SQL Queries for the above scenarios
(2 Questions)
- Q1. What are your previous work experiences?
- Q2. Salary negotiations etc.
I applied via Referral and was interviewed before Oct 2022. There were 2 interview rounds.
(3 Questions)
- Q1. Difference between sum and sumx?
- Ans.
SUM calculates the total of a column, while SUMX evaluates an expression for each row in a table and returns the sum of the results.
SUM is used to calculate the total of a column in a table.
SUMX is used to iterate over each row in a table, evaluate an expression, and return the sum of the results.
SUMX is commonly used in DAX formulas to perform calculations row by row.
- Q2. What is gateway and its types?
- Ans.
A gateway in Power BI is a bridge that connects on-premises data sources to the cloud service.
There are two types of gateways in Power BI: On-premises data gateway and Personal gateway.
On-premises data gateway is used to connect cloud services to on-premises data sources.
Personal gateway is used for individual users to refresh data within Power BI.
Gateways ensure secure data transfer between on-premises and cloud envir
- Q3. What is row level security?
- Ans.
Row level security is a feature in Power BI that restricts access to data at the row level based on user roles or criteria.
Row level security allows you to control which rows of data a user can see in a report or dashboard.
It is commonly used to ensure that users only see the data that is relevant to them based on their role or department.
Row level security can be implemented using DAX expressions to filter data based ...
Interview Preparation Tips
Skills evaluated in this interview
Selected
I applied via Approached by Company and was interviewed in Dec 2024. There were 2 interview rounds.
(3 Questions)
- Q1. What is the DAX formula for calculating a running total?
- Q2. What is the DAX formula for replacing blank values with zero and vice versa?
- Q3. SQL Queries for the above scenarios
(2 Questions)
- Q1. What are your previous work experiences?
- Q2. Salary negotiations etc.
I applied via Referral and was interviewed before Oct 2022. There were 2 interview rounds.
(3 Questions)
- Q1. Difference between sum and sumx?
- Ans.
SUM calculates the total of a column, while SUMX evaluates an expression for each row in a table and returns the sum of the results.
SUM is used to calculate the total of a column in a table.
SUMX is used to iterate over each row in a table, evaluate an expression, and return the sum of the results.
SUMX is commonly used in DAX formulas to perform calculations row by row.
- Q2. What is gateway and its types?
- Ans.
A gateway in Power BI is a bridge that connects on-premises data sources to the cloud service.
There are two types of gateways in Power BI: On-premises data gateway and Personal gateway.
On-premises data gateway is used to connect cloud services to on-premises data sources.
Personal gateway is used for individual users to refresh data within Power BI.
Gateways ensure secure data transfer between on-premises and cloud envir
- Q3. What is row level security?
- Ans.
Row level security is a feature in Power BI that restricts access to data at the row level based on user roles or criteria.
Row level security allows you to control which rows of data a user can see in a report or dashboard.
It is commonly used to ensure that users only see the data that is relevant to them based on their role or department.
Row level security can be implemented using DAX expressions to filter data based ...
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Skills evaluated in this interview
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