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Big Data Interview Questions
Questions Answers Views Company eMail

What are transformations in spark?

 1 398

What is driver and executor in spark?

 1 400

Is spark secure?

 1 372

What is executor memory and driver memory in spark?

 1 372

What is the point of apache spark?

 1 368

What is rdd map?

 1 410

What is faster than apache spark?

 1 376

What is spark training?

 1 372

How many ways we can create rdd in spark?

 1 373

How tasks are created in spark?

 1 372

Is apache spark a tool?

 1 369

What is difference between spark and mapreduce?

 1 362

Who created spark?

 1 374

How is spark fault tolerance?

 1 485

What is cluster in apache spark?

 1 406

Un-Answered Questions { Big Data }

What is the latest version of ambari that is available in the present market?

111

State some DDL Command with brief Description?

55

When to choose "External Table" in Hive?

866

How can you import only a subset of rows from a table?

73

What is meant by Transformation? Give some examples.

382

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

620

How do I set up flume agent?

135

When we are using queries instead of scripting?

797

When to use explode in Hive?

832

Can free-form SQL queries be used with Sqoop import command? If yes, then how can they be used?

73

What is the stable version of Hive ?

2694

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

876

How can you set an arbitrary number of Reducers to be created for a job in Hadoop?

547

Where does the data of a Hive table gets stored?

744

How to set property in apache tajo?

41

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