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Mastering Apache Cassandra - Second Edition by Nishant Neeraj

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Integration with Pig

Configuring Hadoop with Cassandra in itself is quite some work. Writing verbose and long Java code to do something as simple as a word count is a turnoff to a high-level user like a data analyst. Wouldn't it be nice if we have a SQL-like interpreter that converts commands to MapReduce programs for us? Pig is exactly that tool.

Hadoop does not only support Java but MapReduce programs can also be written more concisely in multiple languages such as Scala, Python, C++ (Pipes), R, and many adapter languages.

Pig provides a SQL-like language called Pig Latin. One can write complex MapReduce programs using Pig Latin. You can create a set of intermediate variables that are the result of an operation and it can be used in subsequent ...

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