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Big Data | Hadoop Interview Questions and Answers
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Big Data | Hadoop
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Q: How will you display header row with the results of a Hive query?
asked
Jan 12, 2020
in
Big Data | Hadoop
by
sharadyadav1986
#hive-query
Bigdata-questions-answers
Hadoop-questions-answers
0
votes
Q: What is the precedence order in Hive configuration?
asked
Jan 12, 2020
in
Big Data | Hadoop
by
sharadyadav1986
#hive-configuration
Bigdata-questions-answers
Hadoop-questions-answers
0
votes
Q: What is the purpose of USE command in Hive?
asked
Jan 12, 2020
in
Big Data | Hadoop
by
sharadyadav1986
#hive-use
Bigdata-questions-answers
Hadoop-questions-answers
0
votes
Q: How will you run Unix commands from Hive?
asked
Jan 12, 2020
in
Big Data | Hadoop
by
sharadyadav1986
#hive-unix-commands
Bigdata-questions-answers
Hadoop-questions-answers
0
votes
Q: What is the use of .hiverc file in Hive?
asked
Jan 12, 2020
in
Big Data | Hadoop
by
sharadyadav1986
#
hiverc-file-hive
Bigdata-questions-answers
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0
votes
Q: What Collection/Complex data types are supported by Hive?
asked
Jan 12, 2020
in
Big Data | Hadoop
by
sharadyadav1986
#hive-data-types
Bigdata-questions-answers
Hadoop-questions-answers
0
votes
Q: What is the use of Hive in Hadoop eco-system?
asked
Jan 12, 2020
in
Big Data | Hadoop
by
sharadyadav1986
#hadoop-eco-system
Bigdata-questions-answers
Hadoop-questions-answers
0
votes
Q: What are the main components of Hive?
asked
Jan 12, 2020
in
Big Data | Hadoop
by
sharadyadav1986
#hive-components
Bigdata-questions-answers
Hadoop-questions-answers
0
votes
Q: What are the different modes in which we can run Hive?
asked
Jan 12, 2020
in
Big Data | Hadoop
by
sharadyadav1986
#hive-models
Bigdata-questions-answers
Hadoop-questions-answers
0
votes
Q: What are the components in Hive data model?
asked
Jan 12, 2020
in
Big Data | Hadoop
by
sharadyadav1986
#hive-components
Bigdata-questions-answers
Hadoop-questions-answers
0
votes
Q: What is SerDe in Hive?
asked
Jan 12, 2020
in
Big Data | Hadoop
by
sharadyadav1986
#hive-srede
Bigdata-questions-answers
Hadoop-questions-answers
0
votes
Q: What is Metastore in Hive?
asked
Jan 12, 2020
in
Big Data | Hadoop
by
sharadyadav1986
#hive-metastore
Bigdata-questions-answers
Hadoop-questions-answers
0
votes
Q: How will you change the data type of a column in Hive?
asked
Jan 12, 2020
in
Big Data | Hadoop
by
sharadyadav1986
#hive-coloumn-type
Bigdata-questions-answers
Hadoop-questions-answers
0
votes
Q: Can we use Hive for Online Transaction Processing (OLTP) systems?
asked
Jan 12, 2020
in
Big Data | Hadoop
by
sharadyadav1986
#oltp-hive
Bigdata-questions-answers
Hadoop-questions-answers
0
votes
Q: How will you improve the performance of a program in Hive?
asked
Jan 12, 2020
in
Big Data | Hadoop
by
sharadyadav1986
#hive-performance
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Hadoop-questions-answers
0
votes
Q: How will you synchronize the changes made to a file in Distributed Cache in Hadoop?
asked
Jan 11, 2020
in
Big Data | Hadoop
by
rajeshsharma
#synchronize
Bigdata-questions-answers
Hadoop-questions-answers
0
votes
Q: What is the use of Distributed Cache in Hadoop?
asked
Jan 11, 2020
in
Big Data | Hadoop
by
rajeshsharma
#hadoop-cache
Bigdata-questions-answers
Hadoop-questions-answers
0
votes
Q: Why do we need Serialization in Hadoop map reduce methods?
asked
Jan 11, 2020
in
Big Data | Hadoop
by
rajeshsharma
#hadoop-serialization
Bigdata-questions-answers
Hadoop-questions-answers
0
votes
Q: How will you monitor memory used in a Hadoop cluster?
asked
Jan 11, 2020
in
Big Data | Hadoop
by
rajeshsharma
#hadoop-cluster
Bigdata-questions-answers
Hadoop-questions-answers
0
votes
Q: What are the important configuration files in Hadoop?
asked
Jan 11, 2020
in
Big Data | Hadoop
by
rajeshsharma
#hadoop-configuration-files
Bigdata-questions-answers
Hadoop-questions-answers
0
votes
Q: How will you replace HDFS data volume before shutting down a DataNode?
asked
Jan 11, 2020
in
Big Data | Hadoop
by
rajeshsharma
#hdfs-volume
Bigdata-questions-answers
Hadoop-questions-answers
0
votes
Q: What is Safemode in HDFS?
asked
Jan 11, 2020
in
Big Data | Hadoop
by
rajeshsharma
#hdfs-safemode
Bigdata-questions-answers
Hadoop-questions-answers
0
votes
Q: What are the important points a NameNode considers before selecting the DataNode for placing a data block?
asked
Jan 11, 2020
in
Big Data | Hadoop
by
rajeshsharma
#namenode-importance
Bigdata-questions-answers
Hadoop-questions-answers
0
votes
Q: What is a Balancer in HDFS?
asked
Jan 11, 2020
in
Big Data | Hadoop
by
rajeshsharma
#hdfs-balancer
Bigdata-questions-answers
Hadoop-questions-answers
0
votes
Q: What is the difference between Data science, Big Data and Hadoop?
asked
Jan 11, 2020
in
Big Data | Hadoop
by
rajeshsharma
#data-science-hadoop-big-data
Bigdata-questions-answers
Hadoop-questions-answers
0
votes
Q: What is the meaning of term Data Locality in Hadoop?
asked
Jan 11, 2020
in
Big Data | Hadoop
by
rajeshsharma
#data-locality-hadoop
Bigdata-questions-answers
Hadoop-questions-answers
0
votes
Q: What is a Backup Node in HDFS?
asked
Jan 11, 2020
in
Big Data | Hadoop
by
rajeshsharma
#hdfs-backup-node
Bigdata-questions-answers
Hadoop-questions-answers
0
votes
Q: What is a Checkpoint node in HDFS?
asked
Jan 11, 2020
in
Big Data | Hadoop
by
rajeshsharma
#hdfs-checkpoint
Bigdata-questions-answers
Hadoop-questions-answers
0
votes
Q: What are the differences between RDBMS and HBase data model?
asked
Jan 11, 2020
in
Big Data | Hadoop
by
rajeshsharma
#hbase-vs-rdms
Bigdata-questions-answers
Hadoop-questions-answers
0
votes
Q: How will you create a custom Partitioner in a Hadoop job?
asked
Jan 11, 2020
in
Big Data | Hadoop
by
rajeshsharma
#hadoop-partitioner
Bigdata-questions-answers
Hadoop-questions-answers
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