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?

743

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

970

Give some points of hive for hadoop ?

669

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)

753

What is a metastore in hive?

653

What is the importance of driver in hive?

655

How can hive avoid mapreduce?

618

What are hive operators and its types?

680

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

627

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

645

what is partitions in hive?

641

What do you mean by schema on read?

670

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

107

how Cassandra delete Data?

106

what is Memtable in Cassandra?

105

Un-Answered Questions { Big Data }

Why apache spark is faster than hadoop?

364

What is the default maximum dynamic partition that can be created by a mapper reducer? How can you change it?

670

What do you understand by the super column in cassandra?

Rack awareness of Namenode?

808

what is the difference between order by and sort by in Hive?

654

What is paired rdd in spark?

326

Can the name of a view be same as the name of a hive table?

704

When is it not recommended to use MapReduce paradigm for large scale data processing?

615

What is a Column family in hbase?

191

What is spark slang for?

262

Explain the core benefits for hadoop users by using the apache ambari?

How does apache spark engine work?

285

Define fsck?

479

In MapReduce, ideally how many mappers should be configured on a slave?

612

Explain future growth of Apache Ambari?

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