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50 PySpark Interview Questions and Answers For 2023

ProjectPro

Here’s an example showing how to utilize the distinct() and dropDuplicates() methods- First, we need to create a sample dataframe. Here’s an example showing how to utilize the distinct() and dropDuplicates() methods- First, we need to create a sample dataframe. appName('ProjectPro').getOrCreate() count())) df2.show(truncate=False)

Hadoop 52
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100+ Big Data Interview Questions and Answers 2023

ProjectPro

Unlike the typical FSCK utility tool in Hadoop, FSCK only checks for errors in the system and does not correct them. A Zookeeper is a centralized data repository that enables distributed applications to store and retrieve data. Theoretical knowledge is not enough to crack any Big Data interview.