How to use Apache Zookeeper command line interface?
Input Split & Record Reader and what they do?
What are the components used in Hive query processor?
What are the most commonly defined input formats in Hadoop?
What are active and passive "NameNodes"?
What are the different Complex Data Types available in Hive?
What is difference between regular file system and HDFS?
What is safe mode in Hadoop?
if you run Hive as a server?
What is the difference between external table and managed table?
What is Row Key?
What is difference between split and block in hadoop?
What is the difference between SQL and NoSQL?
Explain different execution modes available in Pig?
what is NameNode in Hadoop?