State some DDL Command with brief Description?

61

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

552

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Which modes can Hadoop be run in? List a few features for each mode?

542

---

Give me the examples of Columnar database ?

669

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What is meant by Transformation? Give some examples.

385

---

List the advantage of Parquet file in Apache Spark?

525

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What is the roadmap for apache mahout version 1.0?

98

---

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

81

---

How to set property in apache tajo?

43

---

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

113

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

621

---

How job tracker schedules an assignment?

497

---

What is the latest version of spark?

343

---

What is the latest version of sqoop?

83

---

How do I set up flume agent?

145

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