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I appeared for an interview before Mar 2024, where I was asked the following questions.
Coalesce reduces the number of partitions in a DataFrame, while repartition increases the number of partitions.
Coalesce is used to reduce the number of partitions in a DataFrame without shuffling the data
Repartition is used to increase the number of partitions in a DataFrame and can involve shuffling the data
Coalesce is more efficient than repartition when reducing partitions as it avoids shuffling
posted on 18 Jul 2024
posted on 20 May 2023
I applied via Approached by Company and was interviewed before May 2022. There were 3 interview rounds.
A Java Developer is a software developer who specializes in Java programming language.
Develops and maintains Java-based applications
Writes clean and efficient code
Collaborates with cross-functional teams
Uses Java frameworks and libraries
Debugs and troubleshoots issues
Keeps up-to-date with latest Java technologies
I applied via Job Portal and was interviewed before Jan 2021. There were 2 interview rounds.
I applied via Naukri.com and was interviewed in Feb 2021. There were 3 interview rounds.
I applied via Naukri.com and was interviewed in Nov 2020. There were 4 interview rounds.
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