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50 PySpark Interview Questions and Answers For 2023

ProjectPro

NOVEMBER 22, 2021

show(truncate=False) #Drop duplicates on selected columns dropDisDF = df.dropDuplicates(["department","salary"]) print("Distinct count of department salary : "+str(dropDisDF.count())) dropDisDF.show(truncate=False) } Get FREE Access to Data Analytics Example Codes for Data Cleaning, Data Munging, and Data Visualization Q6.

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100+ Big Data Interview Questions and Answers 2023

ProjectPro

JANUARY 31, 2023

Metadata for a file, block, or directory typically takes 150 bytes. DistCP is used to transfer data between clusters, whereas Sqoop is only used to transfer data between Hadoop and RDBMS. Theoretical knowledge is not enough to crack any Big Data interview. It also discusses several kinds of data.

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