What are the components of Driver in Hive?

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Hi,

Can anyone explain the major components of driver in Hive?  

May 10 in Big Data Hadoop by disha
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Hey,

There are three major components of driver in Hive, they are:

Compiler:- The compiler is the one which checks for your syntactic and semantic correctness of your queries and then it generates a physical plan in the form of DAG.

Optimizer:- The Optimizer will optimize your plan that is generated by the compiler.

Execution:- An execution engine is the one which executes the queries on the Hadoop cluster. Execution, that means the execution engine is the interface between Hadoop cluster and Hive.

answered May 10 by Gitika
• 6,700 points

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