Big Data Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Big Data Interview Questions

Questions Answers Views Company eMail

Is hive suitable to be used for oltp systems? Why?

847

What types of costs are associated with creating the index on hive tables?

1067

Give some points of hive for hadoop ?

772

Write a query to insert a new column(new_col int) into a hiev table (htab) at a position before an existing column (x_col)

832

What is a metastore in hive?

746

What is the importance of driver in hive?

760

How can hive avoid mapreduce?

741

What are hive operators and its types?

795

when to choose “internal table” and “external table” in hive?

728

How do you specify the table creator name when creating a table in hive?

728

what is partitions in hive?

733

What do you mean by schema on read?

759

what does the shell commands “Capture” and “Consistency” determines?

113

how Cassandra delete Data?

114

what is Memtable in Cassandra?

115

Un-Answered Questions { Big Data }

What is Big Data?

660

What is the full form of MSLAB?

231

Explain plucktuple?

616

Explain what is distributed cache in mapreduce framework?

677

Is spark sql faster than hive?

304

Explain the Use of Hive?

746

What is a rack?

468

What are the types of Apache Spark transformation?

306

Explain Spark streaming?

290

When to use –target-dir and when to use –warehouse-dir while importing data?

What must we know to work on Zookeeper well?

Are spark dataframes distributed?

333

How can we create table by using command?

What are the different execution modes available in Pig?

600

How to optimize Hive Performance?

762

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