Oracle Interview Questions and Answers in 2025 (100+ Q&A)

Database Analyst/ Programmer Oracle

Ques:- The Task is that to register a Form into Oracle Apps on a particular responsiblity.- First i moved the FMX & FMB file into the custom_top through FTP- Using Application Developer i registered the Form through Form menu then Function then Menu….. as we do regularly..- When i get into the particular responsiblity i can see the Form name getting listed.But when i click that to open….. i cant able to see the form.I need any one your help in advicing me…what would be the problem.

Asked In :- metron, inc.,

Right Answer:
The issue could be due to several reasons:

1. Ensure that the form is compiled correctly and there are no errors in the FMX file.
2. Check if the form is correctly associated with the function in the Application Developer.
3. Verify that the responsibility has the necessary access to the form and that the form is included in the menu assigned to that responsibility.
4. Confirm that the custom_top is properly set in the environment and that the Oracle Apps instance recognizes it.
5. Check for any missing dependencies or libraries required by the form.

Review these points to identify the problem.

Database Analyst/ Programmer Oracle

Ques:- What is work order less Transaction in WIP?

Asked In :-

Right Answer:
A work order less transaction in Work in Progress (WIP) refers to a transaction that records the movement or processing of materials without being tied to a specific work order. This allows for flexibility in managing inventory and production activities without the constraints of formal work orders.

Database Analyst/ Programmer Oracle

Ques:- In which tables the transaction details stored? at least two.

Asked In :- tiket.com (pt. global tiket network),

Right Answer:
Transaction details are typically stored in the following tables:

1. `TRANSACTIONS`
2. `PAYMENT_HISTORY`

Database Analyst/ Programmer Oracle

Ques:- I am importing large data from oracle to work library.in log there is a error message worklibrary space is not enough.then how to import the data safely to sas environment.

Asked In :- techolution, mobicule technologies pvt. ltd.,

Right Answer:
To safely import large data from Oracle to the SAS environment when facing space issues in the work library, you can:

1. Increase the size of the work library by changing the `WORK` option in your SAS configuration.
2. Use a permanent library instead of the work library by defining a new library with sufficient space.
3. Import the data in smaller chunks using the `OBS=` option to limit the number of rows imported at a time.
4. Clean up the work library by deleting unnecessary datasets before the import.

Database Analyst/ Programmer Oracle

Ques:- What is the purpose of catlaog in oracle rman?

Asked In :- Noesys Consulting, osisoft,

Right Answer:
The purpose of the catalog in Oracle RMAN (Recovery Manager) is to store metadata about backups, including information about backup sets, data files, and the status of backups, which helps in managing and restoring database backups efficiently.

Database Analyst/ Programmer Oracle

Ques:- Is UOM maintained at master level or organization level or both?

Asked In :- The Trade Desk, k-electric,

Right Answer:
UOM (Unit of Measure) is maintained at both the master level and the organization level.

Database Analyst/ Programmer Oracle

Ques:- How will call a Key Flexfield Routine in Oracle Apps Forms and what are the arguments to be passed to that routines ?(He was asking me the Package name and Procedure)

Asked In :- NSOFT SOLUTIONS, Nuware Systems, Gad-A-Get Computers, vortex global services,

Right Answer:
To call a Key Flexfield Routine in Oracle Apps Forms, you can use the package `FND_FLEX` and the procedure `KFF_ROUTINE`. The arguments to be passed to this routine typically include:

1. `p_key_flex_name` - The name of the Key Flexfield.
2. `p_segment_value` - The value of the segment.
3. `p_context` - The context for the Key Flexfield.
4. `p_return_value` - A variable to hold the returned value.

Make sure to check the specific implementation details and requirements for your environment.

Database Analyst/ Programmer Oracle

Ques:- What are the pros and cons of auto extend of table spaces?

Asked In :- Inspirisys Solutions, cdp,

Right Answer:
**Pros of Auto Extend of Tablespaces:**
1. Prevents downtime by automatically increasing space when needed.
2. Reduces administrative overhead as manual intervention is minimized.
3. Ensures that applications continue to function without interruption due to space issues.

**Cons of Auto Extend of Tablespaces:**
1. Can lead to uncontrolled growth of database size, potentially consuming all available disk space.
2. May cause performance issues if the system frequently extends the tablespace during peak usage.
3. Difficult to manage and monitor storage usage effectively, leading to potential surprises in costs or resource allocation.

Database Analyst/ Programmer Oracle

Ques:- What is ora-00252 and ora-00272 error represents how can uprevent this error?how can u trouble shhot this error?

Asked In :-

Right Answer:
ORA-00252 indicates that the database is unable to find the specified archive log file, while ORA-00272 means that the database is unable to perform a requested operation due to missing or corrupt archive logs.

To prevent these errors, ensure that your archive logs are properly backed up and that there is sufficient disk space for archiving.

To troubleshoot, check the alert log for specific messages, verify the existence of the archive logs, and ensure that the archive destination is correctly configured and accessible. You can also use the `ARCHIVE LOG LIST` command to check the status of the archive logs.

Database Analyst/ Programmer Oracle

Ques:- Which one Module is Biggest Module in oracle apps?

Asked In :- SDL, NovoInvent, Happeo, PDL, Medhaj Techno Concept,

Right Answer:
The biggest module in Oracle Apps is typically considered to be the Financials module.

Database Analyst/ Programmer Oracle

Ques:- How to create DSN..Explain?

Asked In :- fis,

Right Answer:
To create a Data Source Name (DSN) in Oracle, follow these steps:

1. Open the ODBC Data Source Administrator on your system.
2. Choose either the User DSN or System DSN tab.
3. Click on "Add" to create a new DSN.
4. Select the Oracle ODBC driver from the list and click "Finish."
5. Fill in the required fields:
- Data Source Name: Enter a name for your DSN.
- Description: (Optional) Provide a description.
- TNS Service Name: Enter the TNS name from your `tnsnames.ora` file.
- User ID: Enter the default username for the database connection.
6. Click "OK" to save the DSN.

Your DSN is now created and can be used to connect to the Oracle database.

Database Architect/ Designer Oracle

Ques:- Find the Odd Man Out among the following: a) MYSQL b) ORACLE c) POSTGRESQL d) UNIX

Asked In :- S2 Tech, metricstream,

Right Answer:
d) UNIX

Database Analyst/ Programmer Oracle

Ques:- In What scenerio intercompany and mass- allocation journal can be used in business?

Asked In :- foursquare, kensium solutions, litera microsystems,

Right Answer:
Intercompany journals are used when transactions occur between different entities within the same organization, such as sales or transfers of goods. Mass allocation journals are used to distribute costs or revenues across multiple accounts or departments based on a predefined allocation method, often for expenses like overhead or shared services.

Database Analyst/ Programmer Oracle

Ques:- What is the exact diiference between DBMS and RDBMS

Asked In :- Invendis Technologies India,

Right Answer:
DBMS (Database Management System) is a software that manages databases, allowing for data storage and retrieval, but does not enforce relationships between data. RDBMS (Relational Database Management System) is a type of DBMS that organizes data into tables with defined relationships, supporting data integrity and ACID properties.

Database Analyst/ Programmer Oracle

Ques:- PLS-00222: no function with name 'string' exists in this scope

Asked In :- HRMantra Software, western digital, suyati technologies,

Right Answer:
The error "PLS-00222: no function with name 'string' exists in this scope" indicates that the PL/SQL code is trying to call a function named 'string' that is not defined or accessible in the current context. To resolve this, check if the function is defined, ensure it is in the correct scope, and verify that the name is spelled correctly.

Database Analyst/ Programmer Oracle

Ques:- In which table sub inventory related information for item isstored?

Asked In :- BillDesk, jda software, sfcc,

Right Answer:
The sub-inventory related information for an item is stored in the "inv.mtl_system_items_b" table.

Database Analyst/ Programmer Oracle

Ques:- What are centralized and decentralized level of control ofitem attributes?

Asked In :- webuyanycar.com,

Right Answer:
Centralized control of item attributes means that all decisions and management of item data are handled by a single, central authority or system, ensuring consistency and uniformity across the organization. Decentralized control allows individual departments or units to manage their own item attributes independently, leading to more flexibility but potentially causing inconsistencies in data across the organization.

Database Analyst/ Programmer Oracle

Ques:- What is the difference between inventory org id andinventory organisation id

Asked In :- cis, surekha technologies,

Right Answer:
There is no difference; "inventory org id" and "inventory organisation id" refer to the same concept in Oracle, representing the unique identifier for an inventory organization.

Database Analyst/ Programmer Oracle

Ques:- How can i install active directory in windows 2008

Asked In :- Iprimed Education Solutions, beauhurst,

Right Answer:
To install Active Directory in Windows Server 2008, follow these steps:

1. Open the Server Manager.
2. Click on "Roles" in the left pane.
3. Click "Add Roles" in the right pane.
4. In the Add Roles Wizard, click "Next."
5. Select "Active Directory Domain Services" and click "Next."
6. Follow the prompts to complete the installation.
7. After installation, click on "Configure Active Directory Domain Services" in the Server Manager.
8. Follow the Active Directory Domain Services Installation Wizard to promote the server to a domain controller.

Database Analyst/ Programmer Oracle

Ques:- Differentiate between intra & inter UOM class conversionwith examples.

Asked In :- Epicminds Information Technology, ongraph technologies limited,

Right Answer:
Intra UOM (Unit of Measure) class conversion refers to converting between different units within the same category. For example, converting 10 kilograms to grams (1 kg = 1000 g).

Inter UOM class conversion refers to converting between different categories of units. For example, converting 1 liter of water to its weight in kilograms (1 liter of water ≈ 1 kg).

The Oracle section on takluu.com is tailored for professionals and aspirants aiming to excel in Oracle database administration, development, and optimization roles. Oracle remains one of the most widely used enterprise database systems, powering critical applications worldwide.

This category covers comprehensive topics including Oracle Architecture, SQL and PL/SQL programming, database backup and recovery, performance tuning, security management, and Oracle RAC (Real Application Clusters). You’ll also find detailed explanations of core concepts like tablespaces, datafiles, undo management, indexing, and partitioning.

Our content focuses on practical skills essential for roles such as Oracle DBA, PL/SQL Developer, and Database Engineer. We include real interview questions and scenario-based problems designed to test your troubleshooting abilities, SQL proficiency, and understanding of Oracle internals.

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At Takluu, we focus on turning theoretical knowledge into practical expertise, empowering you to crack your Oracle interview and manage databases confidently from day one.

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