Top 10 Business Intelligence Interview Questions and Answers

Updated 1 Dec 2024

Q1. What is the underlying principle of cascading, explain an example of KPIs, diff between report, dashboard and app, why is calculate imp over other DAX functions, when sharing a dashboard with other users, what...

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Ans.

The underlying principle of cascading is the flow of information from higher to lower levels. KPIs are measurable values that indicate performance. Report, dashboard, and app differ in their level of interactivity. CALCULATE is important in DAX for its ability to modify filter context. When sharing a dashboard, roles can be assigned to control access. The star schema is preferred for data modeling due to its simplicity and performance benefits.

  • Cascading involves the flow of i...read more

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Q2. How would u use business intelligence to implement up sell and cross sell?

Ans.

Business intelligence can be used to identify patterns and trends in customer behavior, allowing for targeted up sell and cross sell strategies.

  • Analyze customer data to identify common purchasing patterns and preferences

  • Use predictive analytics to anticipate customer needs and offer relevant products or services

  • Implement personalized marketing campaigns based on customer data

  • Track the success of up sell and cross sell strategies and adjust as needed

  • Provide sales teams with re...read more

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Q3. How to check the performance of BI Report

Ans.

Performance of BI Report can be checked by analyzing response time, data accuracy, user feedback, and system resource usage.

  • Analyze response time to ensure reports load quickly

  • Verify data accuracy by comparing with source data

  • Collect user feedback to identify any issues or improvements needed

  • Monitor system resource usage to ensure optimal performance

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Q4. How will you get the data into the BI

Ans.

Data can be extracted from various sources like databases, APIs, flat files, etc. and transformed using ETL tools before loading into BI.

  • Identify data sources and their accessibility

  • Choose appropriate ETL tool for data extraction and transformation

  • Design data model and schema for BI

  • Load data into BI using ETL tool

  • Validate and verify data accuracy and completeness

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Q5. What are the pros of BO

Ans.

Some pros of SAP BO include powerful reporting capabilities, user-friendly interface, and integration with other SAP products.

  • Powerful reporting capabilities allow for in-depth analysis of data

  • User-friendly interface makes it easy for users to navigate and create reports

  • Integration with other SAP products ensures seamless data flow and consistency across platforms

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Q6. Explain traps in sap bo

Ans.

Traps in SAP BO are common mistakes or issues that users may encounter while working with the software.

  • Traps can include incorrect data mappings leading to inaccurate reports

  • Traps can also involve using incorrect formulas or functions in reports

  • Another trap is not properly setting up security permissions, leading to unauthorized access to sensitive data

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Q7. Differentiate among different BI tools.

Ans.

Different BI tools have varying features and capabilities for data analysis and reporting.

  • BI tools like Tableau, Power BI, and QlikView offer interactive visualizations and dashboards.

  • SAS and IBM Cognos provide advanced analytics and predictive modeling capabilities.

  • MicroStrategy and Oracle BI offer robust reporting and ad-hoc query capabilities.

  • Google Data Studio and Microsoft Excel are popular for their ease of use and data manipulation features.

  • Each BI tool has its own str...read more

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Q8. How to creat BIP Reports?

Ans.

BIP Reports can be created using Oracle Business Intelligence Publisher (BIP) by designing templates and data models.

  • Design report layout using BIP Template Builder

  • Create data model using BIP Data Model Editor

  • Upload data model and template to BIP server

  • Run report using BIP Report Viewer

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Q9. Exposure to BI and application

Ans.

I have extensive experience working with BI tools such as Power BI and have developed applications that utilize BI data.

  • Developed interactive dashboards using Power BI to visualize data trends

  • Integrated BI solutions with applications to provide real-time insights

  • Utilized SQL queries to extract and manipulate data for BI reporting

  • Worked on projects where BI data was used to drive business decisions

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Q10. BIP VS OTBI difference

Ans.

BIP is for operational reporting, OTBI is for ad-hoc analysis

  • BIP (Business Intelligence Publisher) is used for operational reporting, providing pre-built reports and templates

  • OTBI (Oracle Transactional Business Intelligence) is used for ad-hoc analysis, allowing users to create their own reports and dashboards

  • BIP is more structured and suited for scheduled, repeatable reports, while OTBI is more flexible and suited for on-the-fly analysis

  • Example: BIP can be used to generate m...read more

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Q11. Storage modes in BI

Ans.

Storage modes in BI refer to how data is stored and accessed in a business intelligence system.

  • Storage modes include in-memory, MOLAP, ROLAP, and HOLAP.

  • In-memory storage mode stores data in the system's RAM for faster access.

  • MOLAP (Multidimensional OLAP) stores data in a multidimensional cube for complex analysis.

  • ROLAP (Relational OLAP) directly accesses data from relational databases for real-time reporting.

  • HOLAP (Hybrid OLAP) combines the features of MOLAP and ROLAP for imp...read more

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Q12. How can tables be imported and joined in Business Objects

Ans.

Tables can be imported and joined in Business Objects using the Universe Design Tool.

  • Create a universe in the Universe Design Tool

  • Import tables from different data sources

  • Define joins between the tables based on common fields

  • Use aliases to link tables with different names but similar data

  • Test the joins to ensure data integrity

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Q13. WHAT ARE THE AVAILABLE FILTERS PRESENTS IN BI reports n what r they ?at report level and at query level?

Ans.

BI reports have filters at both report level and query level.

  • Report level filters allow users to filter data within the report itself.

  • Query level filters are applied to the underlying data source before the report is generated.

  • Common filters include date filters, dimension filters, and measure filters.

  • Report level filters can be applied to specific visualizations or the entire report.

  • Query level filters can be used to limit the data retrieved from the database.

  • Examples of fil...read more

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Q14. BI Report development steps

Ans.

BI report development involves several steps from data gathering to report deployment.

  • Gather requirements from stakeholders

  • Identify data sources and extract data

  • Transform and clean data

  • Design report layout and visualizations

  • Develop report using BI tools

  • Test and validate report

  • Deploy report to production environment

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Q15. Row Level Security Difference between Drill through and drill down filter

Ans.

Drill through filter is used to navigate to a detailed report while drill down filter is used to view more granular data within a report.

  • Drill through filter allows users to navigate to a more detailed report by clicking on a specific data point.

  • Drill down filter allows users to view more granular data within a report by expanding a specific data point.

  • Row level security is a feature that restricts access to specific rows of data based on user roles or permissions.

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Q16. What isa schedule refresh

Ans.

Schedule refresh is a feature in Power BI that automatically updates data at specified intervals.

  • Allows users to set up a schedule for data refresh in Power BI Service

  • Ensures that reports and dashboards always display the most up-to-date information

  • Can be configured to refresh data from various data sources such as SQL databases, Excel files, etc.

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