Calfus Interview Questions and Answers

Q1. What is lexical parameter and bind parameter?
Ans. 
Lexical parameter is a placeholder in a SQL query that is replaced by a specific value at runtime. Bind parameter is a placeholder in a SQL query that is bound to a specific value before execution.
• Lexical parameter is denoted by a colon followed by a name, like :parameter_name.

• Bind parameter is denoted by a question mark, like ?.

• Lexical parameters are replaced with values at runtime, while bind parameters are bound to ...read more
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Q2. What is O2C process?
Ans. 
O2C process stands for Order to Cash process, which involves all the steps from receiving an order to receiving payment.
• Includes order entry, order fulfillment, invoicing, and payment collection

• Involves multiple departments such as sales, operations, finance, and customer service

• Key steps include order creation, order processing, shipping, invoicing, and payment processing

• Ensures timely delivery of goods or services to...read more
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Q3. Which one is faster to run or execute function and procedure?
Ans. 
Procedures are faster as they are precompiled and stored in memory, while functions need to be compiled each time they are called.
• Procedures are precompiled and stored in memory, making them faster to execute.

• Functions need to be compiled each time they are called, which can slow down execution.

• Procedures are commonly used for performing tasks, while functions are used to return a value.

• Example: If you have a procedure...read more
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Q4. Important points for package?
Ans. 
Important points for package include customization, integration, user training, and support.
• Customization to meet specific business requirements

• Integration with other systems for seamless data flow

• User training to ensure effective utilization of the package

• Ongoing support for troubleshooting and updates
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Q5. Mention 5 tables from AR
Ans. 
Tables from AR module in Oracle Financials
• RA_CUSTOMER_TRX_ALL

• RA_CUSTOMER_TRX_LINES_ALL

• AR_PAYMENT_SCHEDULES_ALL

• AR_RECEIVABLE_APPLICATIONS_ALL

• AR_PAYMENT_SCHEDULES_ALL
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Basic aptitude questions

Q1. Tell about your project
Ans. 
Developed a mobile app for tracking daily water intake and setting hydration goals.
• Designed user-friendly interface for easy input of water consumption

• Implemented notifications to remind users to drink water throughout the day

• Included visual representation of daily water intake to track progress

• Integrated with wearable devices to sync water intake data
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Q2. What are metrics of regression?
Ans. 
Metrics of regression are used to evaluate the performance of regression models.
• Common metrics include Mean Squared Error (MSE), Root Mean Squared Error (RMSE), Mean Absolute Error (MAE), R-squared, and Adjusted R-squared.

• MSE and RMSE measure the average squared difference between predicted values and actual values.

• MAE measures the average absolute difference between predicted values and actual values.

• R-squared indicat...read more
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Q1. Introduce yourself
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I am a motivated and hardworking student with a passion for learning and gaining practical experience in the field.
• Currently pursuing a degree in [Major] at [University]

• Previous experience as a [Position] at [Company]

• Skills include [Skill1], [Skill2], and [Skill3]
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Q2. What will you do if your team lead isn't working?
Ans. 
I would communicate with my team lead to understand the situation and offer assistance if needed.
• Communicate with team lead to understand the reason for their lack of work

• Offer assistance or support to help them get back on track

• Discuss with other team members to redistribute tasks if necessary
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Q1. What is the work that a person can continue to do even after death?
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Q2. What is the toughest examination in India?
Ans. 
The toughest examination in India is often considered to be the UPSC Civil Services Exam, known for its vast syllabus and rigorous selection process.
• UPSC Civil Services Exam has a success rate of less than 1%.

• It consists of three stages: Preliminary, Mains, and Interview.

• Candidates prepare for over a year, covering subjects like history, geography, and current affairs.

• The exam tests not only knowledge but also analytic...read more
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Q3. What is the most difficult language in the world?
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Q1. What is the process of authentication and authorization?
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Q2. What are the different types of normalization forms in database design?
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