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Paytm Business Analyst Interview Questions and Answers
14 Interview questions
SQL joins combine rows from two or more tables based on related columns, enabling complex queries and data retrieval.
INNER JOIN: Returns records with matching values in both tables. Example: SELECT * FROM A INNER JOIN B ON A.id = B.id;
LEFT JOIN: Returns all records from the left table and matched records from the right table. Example: SELECT * FROM A LEFT JOIN B ON A.id = B.id;
RIGHT JOIN: Returns all records from ...
ROW_NUMBER() assigns a unique sequential integer to rows within a partition of a result set.
ROW_NUMBER() is a window function that assigns a unique number to each row based on the specified order.
Syntax: ROW_NUMBER() OVER (PARTITION BY column_name ORDER BY column_name)
Example: SELECT name, ROW_NUMBER() OVER (ORDER BY salary DESC) AS rank FROM employees;
Useful for pagination, ranking, and eliminating duplicates in ...
Different types of joins in SQL include inner join, left join, right join, and full outer 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 right table.
Right join: Returns all rows from the right table and the matched rows from the left table.
Full outer join: Returns rows when there is a match in one of the ta...
Rank assigns unique ranks to each distinct row, while dense_rank assigns consecutive ranks to rows with the same values.
Rank leaves gaps in rank numbers if there are ties, while dense_rank does not
Rank function is used to assign unique ranks to each distinct row in the result set
Dense_rank function is used to assign consecutive ranks to rows with the same values
Example: If there are two rows with the same value, r...
SQL joins are used to combine rows from two or more tables based on a related column between them.
SQL joins are used to retrieve data from multiple tables based on a related column between them.
Types of SQL 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 th...
Group by function is used to group data based on a specific column or expression.
Group by function is used in SQL to aggregate data based on a specific column.
It is often used with aggregate functions like SUM, COUNT, AVG, etc.
For example, SELECT department, SUM(salary) FROM employees GROUP BY department will group employees by department and calculate the total salary for each department.
I can be helpful to the organization by analyzing data, identifying trends, and providing insights to support decision-making.
Conduct thorough data analysis to identify patterns and trends
Generate reports and presentations to communicate findings to stakeholders
Collaborate with cross-functional teams to provide insights and recommendations
Utilize tools such as Excel, SQL, and Tableau to analyze and visualize data
SQL window functions allow for advanced data analysis by performing calculations across a set of table rows related to the current row.
Window functions operate on a set of rows defined by an OVER() clause.
Example: SELECT employee_id, salary, AVG(salary) OVER (PARTITION BY department_id) AS avg_salary FROM employees;
They can be used for ranking: SELECT employee_id, salary, RANK() OVER (ORDER BY salary DESC) AS sala...
The query finds the highest salary for each department.
Use the GROUP BY clause to group the employees by department.
Use the MAX() function to find the highest salary for each department.
Combine the MAX() function with the GROUP BY clause to get the department wise highest salary.
The order of execution of SQL clauses is: SELECT, FROM, WHERE, GROUP BY, HAVING, ORDER BY.
The SELECT clause is executed first to retrieve the desired columns from the table.
The FROM clause is executed next to specify the table(s) from which the data is retrieved.
The WHERE clause is executed after the FROM clause to filter the rows based on specified conditions.
The GROUP BY clause is executed to group the rows base...
Paytm Business Analyst Interview Experiences
18 interviews found
Anonymous
(2 Questions)
- Q1. SQL joins inner join, outer join and left join
- Q2. It was about window function , like we have to use row_number.....don't remberer exact question
PAWAN KUMAR
(2 Questions)
- Q1. SQL joins inner join, outer join and Inner join
- Q2. It was about window function, need to use Row_number
- Ans.
ROW_NUMBER() assigns a unique sequential integer to rows within a partition of a result set.
ROW_NUMBER() is a window function that assigns a unique number to each row based on the specified order.
Syntax: ROW_NUMBER() OVER (PARTITION BY column_name ORDER BY column_name)
Example: SELECT name, ROW_NUMBER() OVER (ORDER BY salary DESC) AS rank FROM employees;
Useful for pagination, ranking, and eliminating duplicates in resul...
Abhayjyot Singh Grover
(1 Question)
- Q1. Sql joins like basic one
- Ans.
SQL joins combine rows from two or more tables based on related columns, enabling complex queries and data retrieval.
INNER JOIN: Returns records with matching values in both tables. Example: SELECT * FROM A INNER JOIN B ON A.id = B.id;
LEFT JOIN: Returns all records from the left table and matched records from the right table. Example: SELECT * FROM A LEFT JOIN B ON A.id = B.id;
RIGHT JOIN: Returns all records from the r...
(1 Question)
- Q1. Case study on maruti suzuki
Selected
I applied via Approached by Company and was interviewed in Mar 2024. There were 3 interview rounds.
(2 Questions)
- Q1. What are diiferent types of join in sql ?
- Ans.
Different types of joins in SQL include inner join, left join, right join, and full outer 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 right table.
Right join: Returns all rows from the right table and the matched rows from the left table.
Full outer join: Returns rows when there is a match in one of the tables.
- Q2. Difference between rank and dense_rank ?
- Ans.
Rank assigns unique ranks to each distinct row, while dense_rank assigns consecutive ranks to rows with the same values.
Rank leaves gaps in rank numbers if there are ties, while dense_rank does not
Rank function is used to assign unique ranks to each distinct row in the result set
Dense_rank function is used to assign consecutive ranks to rows with the same values
Example: If there are two rows with the same value, rank w...
(2 Questions)
- Q1. Project I have done
- Q2. Internship learning
(2 Questions)
- Q1. Work experience
- Q2. Behavioural Questions
Interview Preparation Tips
Skills evaluated in this interview
Sanyam Kapoor
I applied via Naukri.com and was interviewed in Mar 2024. There was 1 interview round.
(2 Questions)
- Q1. Why looking for change
- Ans.
Seeking new challenges and opportunities for growth and development.
Looking to expand skill set and knowledge in different industries
Interested in working on diverse projects with varying complexities
Seeking a more dynamic and stimulating work environment
Wanting to make a greater impact and contribute to innovative solutions
- Q2. Impactful tasks
I applied via Referral and was interviewed in Jan 2024. There were 2 interview rounds.
SQL codes on window function and group by
(1 Question)
- Q1. SQL ,Data visualization, data analysis
Selected
I applied via Naukri.com and was interviewed in Aug 2023. There were 2 interview rounds.
(2 Questions)
- Q1. Tell me about your self. Tell about past background. About education and past employment.
- Q2. Advance Excel questions.
Interview Preparation Tips
(2 Questions)
- Q1. About projects i have written in resume
- Q2. Sql simple queries on window functions
- Ans.
SQL window functions allow for advanced data analysis by performing calculations across a set of table rows related to the current row.
Window functions operate on a set of rows defined by an OVER() clause.
Example: SELECT employee_id, salary, AVG(salary) OVER (PARTITION BY department_id) AS avg_salary FROM employees;
They can be used for ranking: SELECT employee_id, salary, RANK() OVER (ORDER BY salary DESC) AS salary_ra...
(2 Questions)
- Q1. Asked few sql queries
- Q2. General discussions on my daily work in office
Interview Preparation Tips
(2 Questions)
- Q1. Tell me about yourself
- Ans.
I am a detail-oriented Business Analyst with a passion for data-driven decision-making and a strong background in project management.
Over 5 years of experience in business analysis across various industries, including finance and technology.
Skilled in gathering and documenting requirements through stakeholder interviews and workshops, leading to successful project outcomes.
Proficient in data analysis tools like SQL and...
- Q2. Explain my role in previous company
Suaib Akhtar
Selected
I appeared for an interview before Jan 2024.
(1 Question)
- Q1. Asked me to write a complex SQL query and 2-3 questions from Advanced excel.
(1 Question)
- Q1. Can you explain your previous projects and work experience?
- Ans.
I have worked on various projects as a Business Analyst, including data analysis, process improvement, and stakeholder management.
Led a team in analyzing sales data to identify trends and opportunities for growth
Implemented a new CRM system to streamline customer interactions and improve efficiency
Collaborated with cross-functional teams to develop and implement process improvements
Conducted market research to identify...
Interview Preparation Tips
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Paytm Interview FAQs
The duration of Paytm Business Analyst interview process can vary, but typically it takes about less than 2 weeks to complete.
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