Top 20 Oracle Fusion Technical Interview Questions to Land a Job at Leading IT Companies

Tech Leads IT

Sun, 03 Aug 2025

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 20 questions will help you succeed.

1. What is Oracle Fusion Technical?

A: Oracle Fusion Technical refers to the technical aspects of Oracle Fusion Applications, including customizations, integrations, data migration, security, and reporting.

2. What are the key components of Oracle Fusion Technical?

A: 

• Oracle Application Development Framework (ADF)
• Business Process Execution Language (BPEL)
• Oracle Integration Cloud (OIC)
• BI Publisher Reports
• Web Services & SOAP/REST APIs

3. What are the different types of user roles in Oracle Fusion?

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A: User roles in Oracle Fusion include:

• Job Roles – Specific to a job function
• Duty Roles – Define permissions within a job role
• Data Roles – Control access to specific data
• Abstract Roles – Common roles like Employee or Supplier

4. How do you perform data migration in Oracle Fusion?

A: Data migration is done using:

• File-Based Data Import (FBDI)
• Application Programming Interfaces (APIs)
• HCM Data Loader (HDL) – For HCM Module
• ADFdi (Application Development Framework Desktop Integration)

5. What is FBDI in Oracle Fusion?

A: File-Based Data Import (FBDI) is a method to load bulk data into Oracle Fusion using predefined Excel templates.

6. What is BI Publisher, and how is it used in Oracle Fusion?

A: BI Publisher is a reporting tool used in Oracle Fusion to generate customized reports in formats like PDF, Excel, and XML.

7. What is Oracle ADF, and why is it important?

A: Oracle Application Development Framework (ADF) is used to build custom applications and UI extensions in Oracle Fusion.

8. What is the difference between SOAP and REST APIs in Oracle Fusion?

A:

• SOAP API: Uses XML, supports complex transactions
• REST API: Lightweight, supports JSON and XML, faster and easier to use

9. How do you create a custom role in Oracle Fusion?

A: Custom roles can be created using:

• Oracle Identity Manager (OIM)
• Security Console

10. What is OIC (Oracle Integration Cloud), and how does it work?

A: Oracle Integration Cloud (OIC) is used for integrating Oracle Fusion applications with third-party systems using prebuilt adapters.

11. What is WebLogic Server in Oracle Fusion?

A: WebLogic Server is the middleware that manages applications, transactions, and services in Oracle Fusion.

12. What are the different types of lookups in Oracle Fusion?

A: Lookups in Oracle Fusion are classified as:

• Standard Lookups – Delivered by Oracle
• Common Lookups – Shared across modules
• Set-Enabled Lookups – Context-specific values

13. What is Fast Formula in Oracle Fusion?

A: Fast Formula is a scripting tool used in Oracle Fusion to define business rules for payroll, benefits, and other calculations.

14. How do you schedule reports in Oracle Fusion?

A: Reports can be scheduled using:

• BI Publisher
• ESS (Enterprise Scheduler Service) Jobs

15. What is ESS Job, and how is it used in Oracle Fusion?

A: Enterprise Scheduler Service (ESS) is used to automate report execution, data processing, and integration tasks in Oracle Fusion.

16. How do you perform data validation in Oracle Fusion?

A: Data validation is performed using:

• Validation Rules in FBDI/HDL
• SQL Queries
• Oracle Data Integrator (ODI)

17. What is the difference between OTBI and BI Publisher?

A:

• OTBI (Oracle Transactional Business Intelligence): Real-time ad hoc reporting
• BI Publisher: Predefined report generation

18. What is a Workflow in Oracle Fusion?

A: A workflow is an automated process in Oracle Fusion used to route transactions, approvals, and notifications.

19. How do you integrate Oracle Fusion with external applications?

A: Integration is done using:

• Web Services (SOAP & REST APIs)
• Oracle Integration Cloud (OIC)
• BI Publisher Reports

20. What is the role of Sandbox in Oracle Fusion?

A: A Sandbox is an isolated environment used for testing UI changes, customizations, and configurations without affecting the production system.

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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.