Pine Labs Interview Questions, Process, and Tips

Q1. This round was purely based on DSA. One question of Leetcode hard difficulty was asked. Question Name - Median of two sorted arrays.
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Q1. This was low level design round. I was asked to design a system like Redbus. Functional Requirements - 1. user can login/signup on the platform 2. functionality to choose btw different operational routes....read more
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Q1. This round was taken by their Engineering Director. Questions were related to multithreading, types of entity relationships with examples, transaction management in Spring Boot, JVM components, garbage col...read more
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Q2. Later interviewer asked me to code a multithreading assignment - 1. Create a fixed threadpool of size 10. 2. Submit number of tasks to the threadpool. 3. Return the results from every task and print in mu...read more
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Q1. What is PL/SQL, and what is a cursor, including their lifecycle?
Ans. 
PL/SQL is a procedural language extension for SQL in Oracle databases. A cursor is a pointer to a result set returned by a SQL query.
• PL/SQL stands for Procedural Language/Structured Query Language and is used for writing procedural code in Oracle databases.

• A cursor is a database object used to retrieve and manipulate data row by row.

• Cursors have a lifecycle that includes opening, fetching data, processing data, and clo...read more
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Q2. What is the difference between VARCHAR and VARCHAR2 data types?
Ans. 
VARCHAR is a variable-length character string data type with a maximum length specified, while VARCHAR2 is a variable-length character string data type with no maximum length specified.
• VARCHAR requires storage space for NULL values, while VARCHAR2 does not

• VARCHAR2 is more efficient in terms of storage and performance compared to VARCHAR

• In Oracle, VARCHAR is synonymous with VARCHAR2
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Q3. What is the SQL query to find the 5th highest salary?
Ans. 
Use SQL query with ORDER BY and LIMIT to find the 5th highest salary.
• Use ORDER BY clause to sort salaries in descending order

• Use LIMIT 1 OFFSET 4 to skip the first 4 highest salaries and get the 5th highest salary
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Q4. Who has motivated you in your life?
Ans. 
My parents have been the biggest source of motivation in my life.
• Parents have always supported and encouraged me to pursue my goals

• Their hard work and sacrifices have inspired me to work hard

• Seeing their success and determination motivates me to strive for excellence
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Q5. What are your strengths and weaknesses?
Ans. 
My strengths include strong communication skills and attention to detail. My weaknesses include a tendency to be overly critical of myself.
• Strengths: strong communication skills

• Strengths: attention to detail

• Weaknesses: tendency to be overly critical of myself
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Q6. What do you know about Pine Labs?
Ans. 
Pine Labs is a leading provider of payment and fintech solutions in India.
• Pine Labs offers a wide range of payment solutions for merchants, including POS machines, online payment gateways, and gift cards.

• The company was founded in 1998 and is headquartered in Noida, India.

• Pine Labs has partnerships with major banks and financial institutions to offer innovative payment solutions to businesses.

• The company has a strong p...read more
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Q7. What is the SQL query to retrieve duplicate records from a database?
Ans. 
The SQL query to retrieve duplicate records from a database involves using the GROUP BY and HAVING clauses.
• Use the GROUP BY clause to group the records based on the columns that may contain duplicates.

• Use the HAVING clause to filter out groups that have a count greater than 1, indicating duplicates.

• Example: SELECT column1, column2, COUNT(*) FROM table_name GROUP BY column1, column2 HAVING COUNT(*) > 1;
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Q1. It is very important to have the experience of big organisation, only then you should choose this company
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Q2. There should be maximum experience of one year
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Q1. Can you provide a brief overview of your overall experience and a detailed discussion of your current role?
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Q1. Can you provide a brief overview of your overall experience and the reasons you are seeking a change?
Ans. 
I have over 10 years of experience in sales management with a proven track record of exceeding targets. Seeking a new challenge to further develop my skills.
• Over 10 years of experience in sales management

• Proven track record of exceeding targets

• Seeking a new challenge to further develop skills
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Questions pertaining to the Fintech industry and business ethics, based on the situations described in the questions.