Recent questions tagged Big-data

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Q: Is there a .NET equivalent to Apache Hadoop? [closed]

So, I've been looking at Hadoop with keen interest, and to be honest I'm fascinated, things don't get much ... anyone know of one? Select the correct answer from above options...

asked Feb 2, 2022 in Education by JackTerrance

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Q: Any business examples of using Markov chains?

What business cases are there for using Markov chains? I've seen the sort of play area of a Markov chain applied ... , or the like Select the correct answer from above options...

asked Jan 29, 2022 in Education by JackTerrance

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Q: How to Delete a directory from Hadoop cluster which is having comma(,) in its name?

I have uploaded a Directory to hadoop cluster that is having "," in its name like "MyDir, Name" when I ... such kind of Directories. Select the correct answer from above options...

asked Jan 28, 2022 in Education by JackTerrance

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Q: Hive query output to file

I run hive query by java code. Example: "SELECT * FROM table WHERE id > 100" How to export result to hdfs file.a Select the correct answer from above options...

asked Jan 28, 2022 in Education by JackTerrance

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Q: hadoop.mapred vs hadoop.mapreduce?

Why are there two separate packages map-reduce package in Apache's hadoop package tree: org.apache.hadoop.mapred ... separated out? Select the correct answer from above options...

asked Jan 26, 2022 in Education by JackTerrance

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Q: difference between Data Analytics, Data Analysis, Data Mining, Data Science, Machine Learning, and Big Data?

Can someone tell me the difference between Data Analysis, Data Mining, Data Analytics, Data Science, Machine learning ... each other. Select the correct answer from above options...

asked Jan 24, 2022 in Education by JackTerrance

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Q: Hadoop Mapreduce word count Program

I am having some trouble writing the code for wordcount program using MapReduce, I could use some help. Select the correct answer from above options...

asked Jan 21, 2022 in Education by JackTerrance

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Q: What is the difference between rdd and dataframes in Apache Spark ?

I want to know in simple language what are all the differences between rdd and dataframes? Select the correct answer from above options...

asked Jan 21, 2022 in Education by JackTerrance