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

Big Data Interview Questions

Questions Answers Views Company eMail

Explain deletion in hbase? Mention what are the three types of tombstone markers in hbase?

1 232

What are the main key structures of hbase?

1 249

What is the use of hbase hmaster?

1 224

Which technique can you use in hbase to access hfile directly without the help of hbase?

1 261

Explain what is wal and hlog in hbase?

1 414

How many operational commands in hbase?

1 252

why use hcolumndescriptor class?

1 220

What is the row key?

1 253

Tell me about the types of hbase operations?

1 260

How does hbase actually delete a row?

1 292

Name the filter which accepts the page size as the parameter in hbase?

1 280

Explain why to use hbase?

1 245

Mention the difference between hbase and relational database?

1 246

Mention what are the three types of tombstone markers in hbase?

1 301

Mention what are the key components of hbase?

1 256

Un-Answered Questions { Big Data }

How job tracker schedules an assignment?

496

What is a Hive variable? What for we use it?

876

What is the function of UNION and SPLIT operators? Give examples?

620

State some DDL Command with brief Description?

How you can contact your client everyday ?

1039

How do I set up flume agent?

135

Can We Change settings within Hive Session? If Yes, How?

854

Explain how RDDs work with Scala in Spark

405

When we are using queries instead of scripting?

797

did you maintain the hadoop cluster in-house or used hadoop in the cloud?

1074

When to use explode in Hive?

832

When to choose "External Table" in Hive?

866

How to skip header rows from a table in Hive?

900

What is the roadmap for apache driver version one.0?

What is the latest version of spark?

337

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