Recent questions tagged big-data

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2 answers

Data Warehouse Manager Salary

Nov 14, 2018 in Career Counselling by Vidhyut
 • 1,170 points • 446 views
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2 answers

Skills required to become Data Warehouse Manager

Nov 14, 2018 in Career Counselling by Vidhyut
 • 1,170 points • 1,053 views
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2 answers

Responsibilities of Data Warehouse Manager

Nov 14, 2018 in Career Counselling by Vidhyut
 • 1,170 points • 3,255 views
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1 answer

Hadoop Hive: How to drop a table?

Nov 14, 2018 in Big Data Hadoop by slayer
 • 29,350 points • 1,801 views
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1 answer

Hadoop Hive: How to split a single row into multiple rows?

Nov 14, 2018 in Big Data Hadoop by slayer
 • 29,350 points • 8,650 views
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1 answer

Hadoop Hive: How to convert multiple rows into comma separated values?

Nov 14, 2018 in Big Data Hadoop by slayer
 • 29,350 points • 4,977 views
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1 answer

Hadoop: RHadoop: packages ‘rmr’, ‘rJava‘, ‘RJSONIO‘, ‘rhdfs’, ‘rhbase’, ‘plyrmr’ are not available

Nov 14, 2018 in Big Data Hadoop by slayer
 • 29,350 points • 826 views
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2 answers

Certifications for Data Analyst job

Nov 13, 2018 in Career Counselling by Haman
 • 650 points • 703 views
+1 vote
3 answers

Data Analyst job for fresher

Nov 13, 2018 in Career Counselling by Haman
 • 650 points • 943 views
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2 answers

Data Analyst Salary

Nov 13, 2018 in Career Counselling by Haman
 • 650 points • 501 views
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3 answers

What are the skills required to become Data Analyst?

Nov 13, 2018 in Career Counselling by Haman
 • 650 points • 1,108 views
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3 answers

What are the responsibilities of Data Analyst?

Nov 13, 2018 in Career Counselling by Haman
 • 650 points • 1,434 views
+1 vote
3 answers

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

Jul 27, 2018 in Apache Spark by shams
 • 3,670 points • 42,440 views
0 votes
1 answer

How to commit message offsets in Kafka for reliable data pipeline?

Jul 10, 2018 in Apache Kafka by coldcode
 • 2,080 points • 3,355 views
+2 votes
10 answers

Writing the Kafka consumer output to a file

Jul 10, 2018 in Apache Kafka by coldcode
 • 2,080 points • 37,115 views
+1 vote
8 answers

How to replace null values in Spark DataFrame?

May 31, 2018 in Apache Spark by kurt_cobain
 • 9,390 points • 74,301 views
0 votes
2 answers

In a Spark DataFrame how can I flatten the struct?

May 24, 2018 in Apache Spark by code799
 • 5,754 views
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2 answers

Difference between HDFS and NFS

May 8, 2018 in Big Data Hadoop by Shubham
 • 13,490 points • 14,301 views
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1 answer

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

May 7, 2018 in Big Data Hadoop by Shubham
 • 13,490 points • 2,808 views
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1 answer

Could not find the Sqoop directory in HDP 2.2

May 4, 2018 in Big Data Hadoop by coldcode
 • 2,080 points • 1,314 views
0 votes
1 answer

How can I put file to HDFS directly without copying it local disk?

Apr 15, 2018 in Big Data Hadoop by Shubham
 • 13,490 points • 4,263 views
0 votes
1 answer

Can one implement combiner and reducer separately?

Apr 10, 2018 in Big Data Hadoop by Shubham
 • 13,490 points • 908 views
0 votes
1 answer

Joining Multiple Spark Dataframes

Mar 26, 2018 in Big Data Hadoop by Ashish
 • 2,650 points • 2,652 views
+1 vote
2 answers

Failed to restart Hadoop namenode using cloudera quickstart

Mar 16, 2018 in Big Data Hadoop by Ashish
 • 2,650 points • 3,851 views
0 votes
1 answer

Big Data transformations with R

Dec 18, 2017 in Data Analytics by Koushik
 • 779 views
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