Infosys Interview Questions, Process, and Tips for Experienced

Q1. What the procedure for patching in oracle apps R12.2
Ans. 
Patching in Oracle Apps R12.2 involves applying patches using adop utility and following specific steps.
• Apply patches using adop utility

• Run pre-patch and post-patch scripts

• Follow patching documentation for specific steps

• Perform patching in a non-production environment first
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Q2. How to apply R12.2 patch in faster way
Ans. 
To apply R12.2 patch faster, use parallel workers, pre-install patches, and automate the process.
• Use parallel workers to speed up the patching process

• Pre-install prerequisite patches to reduce downtime during patching

• Automate the patching process using scripts or tools

• Leverage Oracle E-Business Suite's online patching feature for minimal downtime
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Apptitude test contain 4 parts - logical reasoning,verbal ability,puzzle ,code

Q1. Asked basic java questions, project and sql questions
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Q2. What is OOPS concept in java?
Ans. 
OOPS concept in Java stands for Object-Oriented Programming System, which is a programming paradigm based on the concept of objects.
• OOPS focuses on creating objects that contain both data and methods to manipulate that data.

• Key principles of OOPS include Inheritance, Encapsulation, Polymorphism, and Abstraction.

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

• Encapsulation involves bundl...read more
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Q3. Expalin joins in sql?
Ans. 
Joins in SQL are used to combine rows from two or more tables based on a related column between them.
• Joins are used to retrieve data from multiple tables based on a related column between them

• Common types of joins include INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL JOIN

• INNER JOIN returns rows when there is at least one match in both tables

• LEFT JOIN returns all rows from the left table and the matched rows from the righ...read more
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Q4. Explain your project?
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Q5. Difference between delete and drop in sql?
Ans. 
Delete is used to remove rows from a table, while drop is used to remove an entire table from the database.
• DELETE is a DML command, while DROP is a DDL command.

• DELETE statement is used with a WHERE clause to specify which rows to delete, while DROP statement is used to remove the entire table structure.

• DELETE does not remove the table itself, only the rows within it, while DROP removes the table along with all its data
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General Topics about reasoning and coding

Q1. What tool you use for manual testing?
Ans. 
I use tools like HP ALM, Jira, and TestRail for manual testing.
• HP ALM is used for test case management and defect tracking

• Jira is used for issue tracking and project management

• TestRail is used for test case management and reporting
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Q1. What is APP steps?
Ans. 
APP steps refer to the steps involved in the APP (Assessment, Planning, and Preparation) process.
• Assessment: Evaluate the current situation or problem.

• Planning: Develop a strategy or plan to address the issue.

• Preparation: Get ready to implement the plan.

• Example: In project management, APP steps are crucial for successful project execution.
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Q2. Do you know EBS?
Ans. 
Yes, EBS stands for Elastic Block Store, a block storage service provided by AWS.
• EBS is used to store persistent data for EC2 instances in AWS.

• It allows you to create volumes that can be attached to EC2 instances.

• EBS volumes can be encrypted for security.

• Snapshots can be taken of EBS volumes for backup purposes.
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