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InterviewSolution
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What Is Spark Sql? |
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Answer» SQL Spark, better known as SHARK is a novel module INTRODUCED in Spark to WORK with STRUCTURED data and perform structured data processing. Through this module, Spark executes relational SQL QUERIES on the data. The core of the component supports an altogether different RDD called SchemaRDD, composed of rows objects and schema objects defining data type of each column in the row. It is similar to a table in relational database. SQL Spark, better known as Shark is a novel module introduced in Spark to work with structured data and perform structured data processing. Through this module, Spark executes relational SQL queries on the data. The core of the component supports an altogether different RDD called SchemaRDD, composed of rows objects and schema objects defining data type of each column in the row. It is similar to a table in relational database. |
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