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Can you give us some examples, how Hadoop is used in real time environment?
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How to stop a partition form being queried?
Why do we perform partitioning in Hive?
What is the need for custom serde?
Give examples of the SerDe classes whihc hive uses to Serializa and Deserilize data?
How do you write your own custom SerDe ?
Explain the Use of Hive?
Are there any problems which can only be solved by MapReduce and cannot be solved by PIG? In which kind of scenarios MR jobs will be more useful than PIG?
Can we run unix shell commands from hive? Can hive queries be executed from script files? How? Give an example.
Difference between order by and sort by in Hive?
Mention the date data type in hive. Name the hive data type collection.
If you omit the overwrite clause while creating a hive table,what happens to file which are new and files which already exist?
What is the maximum size of string data type supported by hive? Mention the hive support binary formats.
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