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Explain The Need For Mapreduce While Programming In Apache Pig.? |
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Answer» Apache Pig programs are WRITTEN in a QUERY language known as Pig LATIN that is SIMILAR to the SQL query language. To execute the query, there is a need for an EXECUTION engine. The Pig engine converts the queries into MapReduce jobs and thus MapReduce acts as the execution engine and is needed to run the programs. Apache Pig programs are written in a query language known as Pig Latin that is similar to the SQL query language. To execute the query, there is a need for an execution engine. The Pig engine converts the queries into MapReduce jobs and thus MapReduce acts as the execution engine and is needed to run the programs. |
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