BeeHyv Interview Questions, Process, and Tips

Q1. Power BI optimization techniques.
Ans. 
Power BI optimization techniques involve data model optimization, query optimization, and report design best practices.
• Optimize data model by removing unnecessary columns and relationships

• Use query folding to push data transformation tasks to the data source

• Avoid using calculated columns and instead use measures for calculations

• Limit the use of visuals that require high computational resources

• Use aggregations and compo
Answered by AI
Add your answer

Q1. How to handle large datasets.
Ans. 
Handling large datasets involves optimizing storage, processing, and analysis techniques.
• Use distributed computing frameworks like Hadoop or Spark to process data in parallel.

• Utilize data compression techniques to reduce storage requirements.

• Implement indexing and partitioning strategies to improve query performance.

• Consider using cloud-based storage and computing resources for scalability.

• Use sampling techniques to wo
Answered by AI
Add your answer
Q2. How to use parameters.
Ans. 
Parameters are variables that can be passed into a function or procedure to customize its behavior.
• Parameters are defined when creating a function or procedure.

• They can be used to pass values into the function or procedure.

• Parameters can be required or optional, with default values specified.

• They help make functions more flexible and reusable.

• Example: def calculate_area(length, width):
Answered by AI
Add your answer
Q3. Row lovel Security.
Add your answer

Q1. SQL interview. How to get the rolling sum of sales.
Add your answer
Q2. Get current month and previous month sales in same row.
Add your answer

Q1. Gateway. Refresh, Incremental Refresh and other service related.
Add your answer
Q2. Write DAX to calculate some values.
Ans. 
Calculating values using DAX in Power BI
• Use SUMX function to calculate sum of values in a column

• Use CALCULATE function to apply filters and conditions to calculations

• Use DAX measures to create reusable calculations

• Example: Calculate total sales for a specific product category
Answered by AI
Add your answer
Q3. Create data model and visualizations.
Ans. 
Creating data model and visualizations involves structuring data and presenting it visually.
• Identify the key variables and relationships in the data

• Design a data model that represents the data structure

• Select appropriate visualization tools and techniques

• Create visualizations such as charts, graphs, and dashboards

• Ensure the visualizations effectively communicate insights from the data
Answered by AI
Add your answer

Was asked questions on Permutations and Combinations like the once you see in Math Olympiads.

Q1. Asked about past project experience.
Add your answer

Q1. Questions are based on aptitude
Add your answer
Q2. Questions are based in puzzles and aptitude for freshers
Add your answer

Questions were based on aptitude

Basic Python questions.

Basic aptitude questions.