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Tech Mahindra
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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
What people are saying about Tech Mahindra
I appeared for an interview in Mar 2024.
Tech Mahindra interview questions for designations
I appeared for an interview before Mar 2024, where I was asked the following questions.
I have over 5 years of experience in data analysis, focusing on financial modeling and market research.
Led a team to develop a financial forecasting model that improved accuracy by 20%.
Conducted market research that identified new customer segments, resulting in a 15% increase in sales.
Utilized SQL and Python for data extraction and analysis, streamlining reporting processes.
Presented findings to senior management, inf...
I am currently interested in exploring the field of data analytics and machine learning.
Learning new programming languages such as Python and R
Exploring data visualization tools like Tableau and Power BI
Reading research papers on machine learning algorithms
Participating in online courses and workshops on data analytics
I applied via Referral and was interviewed before Oct 2021. There were 2 interview rounds.
I applied via Recruitment Consultant and was interviewed in Jan 2021. There was 1 interview round.
I applied via Naukri.com and was interviewed in Dec 2020. There were 3 interview rounds.
I applied via Referral and was interviewed before Jan 2021. There were 5 interview rounds.
based on 11 interviews
1 Interview rounds
based on 78 reviews
Rating in categories
Software Engineer
26.4k
salaries
| ₹2 L/yr - ₹9.4 L/yr |
Senior Software Engineer
21.6k
salaries
| ₹5.5 L/yr - ₹23.4 L/yr |
Technical Lead
11.9k
salaries
| ₹9.6 L/yr - ₹38 L/yr |
Associate Software Engineer
5.7k
salaries
| ₹1.8 L/yr - ₹5.9 L/yr |
Team Lead
5k
salaries
| ₹5.3 L/yr - ₹17.5 L/yr |
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