Backbase Interview Questions, Process, and Tips

A business case relevant assignment to assess data visualization and DAX skills.

Q1. What strategies can be employed to optimize a slow-performing Power BI report?
Ans. 
Optimizing slow-performing Power BI reports requires various strategies.
• Identify and remove unnecessary visuals or data

• Optimize DAX calculations and queries

• Reduce the number of visuals on a single page

• Use aggregations and summary tables for large datasets

• Consider using DirectQuery mode for real-time data

• Use query folding to push data transformation operations to the data source
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Q2. How does Row-Level Security (RLS) work?
Ans. 
RLS restricts data access based on user roles, ensuring users only see relevant data.
• RLS filters data based on user's role or attributes

• It limits access to rows in a table based on user's role

• Users can only see data that they have permission to access
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Q3. How do you handle nulls in data sets
Ans. 
Nulls in data sets are handled by filtering them out, replacing them with default values, or using functions like COALESCE.
• Filter out null values using WHERE clause in SQL queries

• Replace null values with default values using COALESCE function in SQL

• Use IFNULL function in MySQL to handle null values

• Handle null values in Power BI by using DAX functions like ISBLANK and IF
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Q4. Some best practices for data modelling
Ans. 
Best practices for data modelling
• Understand the business requirements before designing the data model

• Normalize data to reduce redundancy and improve data integrity

• Use surrogate keys for better performance and scalability

• Avoid complex relationships and keep the model simple and easy to understand

• Regularly review and optimize the data model for efficiency
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Q1. How do you approach and manage differences in opinion with a product manager?
Ans. 
I approach differences in opinion with a product manager by actively listening, providing data-driven insights, and collaborating to find a mutually beneficial solution.
• Listen actively to understand the product manager's perspective

• Provide data-driven insights to support your viewpoint

• Collaborate with the product manager to find a mutually beneficial solution

• Maintain open communication and respect for each other's opin
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Q2. Where do you envision yourself in the next five years?
Ans. 
In the next five years, I see myself leading a team of Power BI developers, implementing innovative solutions, and contributing to the growth of the organization.
• Leading a team of Power BI developers

• Implementing innovative solutions

• Contributing to the growth of the organization
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Q1. Explain HR core operating principles and workforce metrics that strengthen the Value preposition of workforce.
Ans. 
HR core operating principles and workforce metrics enhance the value proposition of the workforce by aligning HR strategies with business goals.
• HR core operating principles include fairness, transparency, compliance, and continuous improvement.

• Workforce metrics such as turnover rate, employee engagement, productivity, and diversity can help measure the effectiveness of HR strategies.

• By focusing on these principles and ...read more
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Q2. Unique Challenges Faced from the Business Stakeholders and solution approached.
Ans. 
Business stakeholders often have unique challenges that require tailored solutions from an Associate HRBP Lead.
• Building strong relationships with stakeholders to understand their needs and concerns

• Customizing HR strategies and solutions to align with business goals

• Providing proactive communication and support to address stakeholder challenges

• Collaborating with cross-functional teams to implement effective solutions

• Leve...read more
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Q1. Project related
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Q1. Only theoratical
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3 Angular coding question was there. 1.5 hour Machine test.

Q1. Pass by Value, pass by reference
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Q2. What is !! Operator
Ans. 
The !! operator is used to convert a value to a boolean type by negating it twice.
• The !! operator is used to convert a value to a boolean type.

• It first negates the value, then negates it again to return a boolean.

• Example: !!'hello' will return true, as a non-empty string is truthy.
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Q3. How to handle multiple API if they are inter related each other in Angular?
Ans. 
Use Angular services to manage multiple APIs, create separate services for each API, and handle interdependencies using observables and RxJS operators.
• Create separate Angular services for each API to encapsulate API calls and logic.

• Use observables and RxJS operators to handle asynchronous data flow and manage interdependencies between APIs.

• Implement error handling and retry mechanisms to ensure robustness when dealing ...read more
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