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Top 25 Oracle Fusion Technical Interview Questions You Must Know

Tech Leads IT

Fri, 11 Apr 2025

Top 25 Oracle Fusion Technical Interview Questions You Must Know

Oracle Fusion Technical is a crucial domain for IT professionals aiming to build a career in Oracle Cloud applications. With companies shifting to Oracle Fusion for enterprise solutions, the demand for skilled professionals has increased significantly. If you're preparing for an Oracle Fusion Technical interview, these top 25 questions will help you succeed.


1. What is Oracle Fusion Middleware?

A: Oracle Fusion Middleware is a suite of Oracle software products that enables enterprises to create and run agile, intelligent business applications. It includes development tools, integration services, business intelligence, and identity management.


2. What is BIP (BI Publisher) in Oracle Fusion?

A: BI Publisher is a reporting tool used in Oracle Fusion for creating, managing, and delivering reports. It allows users to extract data from the database and present it in different formats like PDF, Excel, and HTML.


3. How do you create a data model in BI Publisher?

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A: A data model in BI Publisher can be created using SQL queries, stored procedures, or Web Services. It defines the data source, structure, and logic of the report.


4. What is OTBI?

A: Oracle Transactional Business Intelligence (OTBI) is a real-time analysis tool used in Oracle Fusion that enables users to build ad-hoc reports and dashboards using subject areas based on transactional data.


5. Difference between OTBI and BI Publisher?

A: OTBI is used for ad-hoc analysis with drag-and-drop features, while BI Publisher is used for formatted reporting and bursting capabilities. OTBI is more user-friendly, whereas BIP is used for pixel-perfect reports.


6. What is HDL (HCM Data Loader)?

A: HDL is a tool used to bulk-load data into Oracle HCM Cloud. It uses .dat files containing business object data and metadata in a predefined format.


7. What is FBDI (File-Based Data Import)?

A: FBDI is a prebuilt Excel template-based data import mechanism in Oracle Fusion used to import bulk data into various modules such as Financials, Procurement, and SCM.


8. Difference between HDL and FBDI?

A:  HDL is primarily used for HCM data and supports hierarchical data structures, while FBDI is used for importing data across modules like Finance, Procurement, and SCM using Excel templates.


9. What are PVOs and VO in Oracle Fusion?

A: PVOs (Public View Objects) are database views exposed to external reporting tools. VO (View Object) represents a query on one or more tables and is used in ADF applications for data display and manipulation.


10. What is ADF in Oracle Fusion?

A: Application Development Framework (ADF) is Oracle's framework for building enterprise applications. It's used in Oracle Fusion for building user interfaces and back-end business logic.


11. What are the different components of ADF?

A: Key components of ADF include Entity Objects, View Objects, Application Modules, ADF Faces, and Task Flows.


12. What are the types of integrations available in Oracle Fusion?

A: Fusion supports SOAP/REST Web Services, FBDI, HDL, BIP, OTBI, and Oracle Integration Cloud (OIC) for data exchange and process automation.


13. What is Oracle Integration Cloud (OIC)?

A: OIC is a cloud-based integration service used to connect Oracle Cloud applications with other cloud and on-premise applications using prebuilt adapters, integration flows, and process automation.


14. How do you create an integration in OIC?

A: You create an integration by choosing the trigger and target adapters, mapping the data, adding any necessary processing logic, and then activating the integration.


15. What is a Web Service in Oracle Fusion?

A: Web Services in Fusion enable communication between systems over the internet using standard protocols like SOAP and REST. They allow data exchange and process invocation.

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16. Difference between SOAP and REST Web Services?

A: SOAP is a protocol with strict standards used for enterprise-level integrations, while REST is a lightweight, flexible, and faster option used for modern web-based applications.


17. What is a Sandbox in Oracle Fusion?

A: A sandbox is an isolated environment used to customize and test changes in Oracle Fusion Applications without affecting the production environment.


18. How do you migrate custom objects in Oracle Fusion?

A: You can migrate custom objects using tools like FSM (Functional Setup Manager), Application Composer, and BI Publisher or through export/import of sandboxes.


19. What is Fast Formula in Oracle Fusion?

A: Fast Formula is a tool used to create custom calculations for Payroll, Absence, Benefits, and other modules using a special PL/SQL-like language.


20. What are the main tools for data extraction in Oracle Fusion?

A: Main tools include BI Publisher, OTBI, BICC (BI Cloud Connector), and custom SQL through View Objects.


21. What is BICC (BI Cloud Connector)?

A: BICC is a tool used to extract large volumes of data from Oracle Fusion Cloud to external systems such as data warehouses for reporting and analysis.


22. What are ESS Jobs in Oracle Fusion?

A: ESS (Enterprise Scheduler Services) Jobs are background jobs used to automate and schedule processes such as report generation, data imports, and batch processes.


23. How do you secure a custom report in Fusion?

A: Custom reports can be secured using roles and privileges through the Security Console by assigning them to relevant duty roles or job roles.


24. What are Lookup Types and Lookup Codes?

A: Lookup Types are categories of values used in the application, and Lookup Codes are the actual values users select in fields (e.g., Gender = Male, Female).


25. How can you monitor integration errors in Fusion?

A: You can monitor integration errors using OIC monitoring dashboards, ESS job logs, or Fusion Application logs depending on the integration method used.

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Guided by industry experts, this training bridges the gap between theoretical concepts and real-world application, equipping participants with the skills and tools necessary to solve practical challenges and achieve Oracle Fusion Technical certifications. Whether you're aiming to upskill, advance your career, or transition into a specialized technical role, the well-structured curriculum ensures you are fully prepared to excel in Oracle Fusion Technical development and implementation.


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Conclusion

Mastering Oracle Fusion Technical is essential for landing a job in top IT companies. These interview questions cover key concepts and practical scenarios to help you prepare effectively.



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