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I applied via Approached by Company and was interviewed in Mar 2024. There were 3 interview rounds.
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.
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...
Paytm interview questions for designations
I applied via Naukri.com and was interviewed in Mar 2024. There was 1 interview round.
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
Get interview-ready with Top Paytm Interview Questions
I applied via Referral and was interviewed in Jan 2024. There were 2 interview rounds.
SQL codes on window function and group by
I applied via Naukri.com and was interviewed in Aug 2023. There were 2 interview rounds.
I was interviewed before Jan 2024.
I applied via Approached by Company and was interviewed before Sep 2023. There were 2 interview rounds.
SQL and python questions on group by , joins and pivot were asked .
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 the rig...
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.
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The duration of Paytm Business Analyst interview process can vary, but typically it takes about less than 2 weeks to complete.
based on 15 interviews
2 Interview rounds
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