Oracle Financial Services Software Interview Questions, Process, and Tips

Aptitude questions plus 1 coding question on graph.

Q1. Explain oop concepts in detailed manner
Ans. 
OOP concepts refer to the principles of Object-Oriented Programming, including encapsulation, inheritance, and polymorphism.
• Encapsulation: bundling data and methods that operate on the data into a single unit (object)

• Inheritance: allows a class to inherit properties and behavior from another class

• Polymorphism: the ability for objects of different classes to respond to the same method call in different ways
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Q2. Find 4th highest salary, sql related
Ans. 
Use SQL query with ORDER BY and LIMIT to find 4th highest salary
• Use ORDER BY clause to sort salaries in descending order

• Use LIMIT 1 OFFSET 3 to get the 4th highest salary

• Example: SELECT salary FROM employees ORDER BY salary DESC LIMIT 1 OFFSET 3
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Q1. Reverse the characters of words in the string
Ans. 
Reverse the characters of words in a string
• Split the string into an array of words

• Reverse each word in the array

• Join the reversed words back into a single string
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Q1. What kind of projects have you worked on
Ans. 
I have worked on projects involving automation testing of web applications using Selenium and API testing using Postman.
• Automation testing of web applications

• API testing using Postman

• Experience with Selenium

• Integration testing

• Regression testing
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It consistent of 21 question 1 coding and 20 MCQs

Q1. Linked list problem
Ans. 
A linked list problem involves manipulating a data structure where each element points to the next one.
• Understand the basic concept of linked lists and how they differ from arrays.

• Be able to implement common operations like insertion, deletion, and traversal on linked lists.

• Consider edge cases such as handling empty lists or dealing with cycles in the list.
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Q2. Smart pointers were asked
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Q1. Aptitude questions
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Q2. Coding question(1)
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Q1. Started withmy introduction then my projects on resume
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Q2. Was askted to develop an api from my projec and also its database structure
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Q3. Was asked to solve 2 dsa questions
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Q1. Some had tech+hr and some had only tech mine was only tech was similar pattern from last round but in-depth
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Q2. Was asked abou adv java and 2 dsa questions
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Q1. What are DML commands
Ans. 
DML commands are Data Manipulation Language commands used to manage data in a database.
• DML commands include INSERT, UPDATE, DELETE, and SELECT.

• INSERT is used to add new rows of data into a table.

• UPDATE is used to modify existing data in a table.

• DELETE is used to remove rows of data from a table.

• SELECT is used to retrieve data from a database.
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Q2. What are DDL COMMANDS
Ans. 
DDL commands are Data Definition Language commands used to define, modify, and delete database objects.
• DDL stands for Data Definition Language

• Common DDL commands include CREATE, ALTER, and DROP

• CREATE is used to create new database objects like tables

• ALTER is used to modify existing database objects

• DROP is used to delete database objects
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Q1. Explain yourself
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Q2. What’s knowledge about mainframe ?
Ans. 
Mainframe is a large, powerful, and centralized computer system typically used by large organizations for critical applications.
• Mainframes are known for their reliability, security, and scalability.

• They are often used for processing large amounts of data and running mission-critical applications.

• Mainframes have been around since the 1950s and are still used by industries like banking, healthcare, and government.

• Example...read more
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Q3. What’s is global resource
Ans. 
A global resource is a resource that is available to all users or systems within a network or organization.
• Global resources can include shared files, databases, printers, and software applications.

• These resources are typically accessible from any location within the network.

• Examples of global resources include a shared network drive, a centralized database server, and a cloud-based collaboration tool.
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