Oracle Applications is a suite of enterprise software solutions, including ERP, CRM, SCM, and HCM, widely used by businesses for process automation. Whether you’re applying for a functional or technical role, knowing key Oracle Applications interview questions is crucial.
This guide covers 30+ essential Oracle Apps interview questions with detailed answers to help you crack your next interview.
1. What are Oracle Applications?
Oracle Applications (Oracle Apps) is a collection of enterprise software solutions for business operations, including:
- ERP (Enterprise Resource Planning) – Financials, Procurement
- SCM (Supply Chain Management) – Inventory, Order Management
- HCM (Human Capital Management) – Payroll, Recruitment
- CRM (Customer Relationship Management) – Sales, Service
2. What are the Different Types of Oracle Applications?
- Oracle E-Business Suite (EBS) – On-premise ERP
- Oracle Fusion Applications – Cloud-based SaaS ERP
- Oracle PeopleSoft – HR & Financials
- Oracle JD Edwards – Mid-market ERP
3. What is Oracle E-Business Suite (EBS)?
Oracle EBS is an on-premise ERP solution that includes modules like:
- Financials (GL, AP, AR, FA)
- Supply Chain (Inventory, Order Management, Procurement)
- Human Resources (HRMS, Payroll)
4. What is Oracle Fusion Applications?
Oracle Fusion is a cloud-based ERP offering:
- Modern UI & AI-driven analytics
- Integrated modules (Financials, HCM, SCM, CX)
- Built on Oracle Cloud Infrastructure (OCI)
5. What is the Difference Between Oracle EBS and Oracle Fusion?
| Oracle EBS | Oracle Fusion |
|---|---|
| On-premise deployment | Cloud-based (SaaS) |
| Traditional UI | Modern, responsive UI |
| Customizations via patches | Configurations & extensions |
| Slower upgrades | Automatic updates |
6. What are the Key Modules in Oracle Apps?
- Financials (GL, AP, AR, FA, Cash Management)
- Supply Chain (Inventory, Order Management, Procurement)
- Human Capital Management (HRMS, Payroll, Talent Management)
- Customer Relationship Management (Sales, Service, Marketing)
7. What is Oracle Workflow?
Oracle Workflow automates business processes by defining rules, notifications, and approvals.
8. What is Oracle ADF (Application Development Framework)?
ADF is a Java-based framework for building Oracle Fusion Applications.
9. What is Oracle SOA Suite?
Oracle SOA (Service-Oriented Architecture) Suite integrates applications and services using BPEL, BPM, and web services.
10. What is Oracle BI Publisher?
Oracle BI Publisher is a reporting tool that generates PDF, Excel, and HTML reports from Oracle data.
People Also Ask (Oracle Apps Interview FAQs)
Functional Interview Questions
- What is Multi-Org in Oracle Apps?
Multi-Org allows multiple operating units to share a single Oracle instance while keeping data secure. - What is a Set of Books (SOB) in Oracle GL?
A SOB defines the accounting structure (currency, calendar, chart of accounts). - What is Subledger Accounting (SLA) in Oracle?
SLA standardizes accounting rules across subledgers (AP, AR, FA) before posting to GL. - What is an Oracle Flexfield?
A Flexfield captures additional business data (e.g., Accounting Flexfield, Descriptive Flexfield). - What is Oracle Alerts?
Oracle Alerts sends automated notifications based on predefined business rules.
Technical Interview Questions
- What is Oracle Forms & Reports?
- Oracle Forms – Used for data entry & UI development
- Oracle Reports – Generates business reports
- What is an Oracle Concurrent Program?
A Concurrent Program runs background jobs (e.g., reports, data loads) in Oracle Apps. - What is an Oracle Responsibility?
A Responsibility defines a user’s access rights to Oracle Apps modules. - What is FNDLOAD in Oracle Apps?
FNDLOAD is a utility to migrate metadata between Oracle instances. - What is Oracle Application Object Library (AOL)?
AOL provides shared components (menus, forms, concurrent programs) for Oracle Apps.
Database & Integration Questions
- What is Oracle Database’s Role in Oracle Apps?
Oracle Database stores all transactional and configuration data for Oracle Apps. - What is Oracle SQL*Loader?
SQL*Loader imports flat files into Oracle Database tables. - What is Oracle APEX?
Oracle APEX (Application Express) is a low-code development platform for web apps. - What is Oracle Integration Cloud (OIC)?
OIC connects Oracle & non-Oracle applications via APIs and adapters. - What is Oracle Data Integrator (ODI)?
ODI is an ETL tool for data extraction, transformation, and loading.
Troubleshooting & Best Practices
- How to Debug Oracle Workflow Errors?
Check WF_NOTIFICATIONS, WF_ITEM_ACTIVITY_STATUS tables for errors. - What is Patching in Oracle Apps?
Patching applies bug fixes & updates using OPatch or ADOP (for EBS 12.2+). - What is Oracle Apps R12 vs. 11i?
- 11i – Older version (discontinued)
- R12 – Newer architecture (Multi-Org, SLA, Tax enhancements)
- What is Oracle Cloud vs. On-Premise Licensing?
- Cloud – Subscription-based (pay per user)
- On-Premise – Perpetual license + annual support
- What are the Latest Trends in Oracle Apps?
- AI & Machine Learning in Fusion Apps
- Increased cloud adoption (OCI, SaaS)
- Low-code tools (APEX, VBCS)
Conclusion
Mastering Oracle Applications interview questions is key to landing roles in ERP consulting, technical support, or development. This guide covers functional, technical, and integration questions to help you prepare.
Next Steps?
✔ Practice SQL & PL/SQL for technical roles
✔ Explore Oracle Cloud Certifications (Fusion, OCI)
✔ Join Oracle Communities for updates