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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 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 Consulltant and was interviewed before Jul 2021. There was 1 interview round.
I applied via Naukri.com and was interviewed in Feb 2021. There were 3 interview rounds.
I applied via Walk-in and was interviewed before Jan 2022. There were 4 interview rounds.
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based on 10 interviews
1 Interview rounds
based on 77 reviews
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Software Engineer
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Senior Software Engineer
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| ₹5.5 L/yr - ₹23 L/yr |
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Associate Software Engineer
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Team Lead
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| ₹5.3 L/yr - ₹17.1 L/yr |
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