Recent questions tagged spark-sql-interview-questions-answers

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In PySpark, sorting is in _________ order, by defaul

asked Aug 19, 2023 in Spark Sql by GeorgeBell

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Parallelized collections are created by calling SparkContext’s parallelize method on an existing iterable or collection in driver program.

asked Aug 19, 2023 in Spark Sql by GeorgeBell

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Spark was first coded as a C project

asked Aug 19, 2023 in Spark Sql by GeorgeBell

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If the schema of the table does not match with the data types present in the file containing the table, then Hive ________

asked Aug 19, 2023 in Spark Sql by GeorgeBell

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Hbase is a distributed ________ database built on top of the Hadoop file system.

asked Aug 19, 2023 in Spark Sql by GeorgeBell

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Registering a DataFrame as a ________ view allows you to run SQL queries over its data.

asked Aug 19, 2023 in Spark Sql by GeorgeBell

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____________ is a component on top of Spark Core.

asked Aug 19, 2023 in Spark Sql by GeorgeBell

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Co-Variance of two random columns is near to

asked Aug 19, 2023 in Spark Sql by GeorgeBell

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Spark SQL supports reading and writing data stored in Hive

asked Aug 18, 2023 in Spark Sql by GeorgeBell

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External tables are used to store data outside the

asked Aug 18, 2023 in Spark Sql by GeorgeBell

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How to create a table in Hive warehouse programatically from Spark

asked Aug 18, 2023 in Spark Sql by GeorgeBell

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We cannot pass SQL queries directly to any DataFrame

asked Aug 18, 2023 in Spark Sql by GeorgeBell

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Spark SQL brings native support for SQL to Spark

asked Aug 18, 2023 in Spark Sql by GeorgeBell

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Spark SQL does not provide support for both reading and writing Parquet files

asked Aug 18, 2023 in Spark Sql by GeorgeBell

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Parquet stores nested data structures in a flat ________ format

asked Aug 18, 2023 in Spark Sql by GeorgeBell

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DataFrame is data organized into ______ columns

asked Aug 18, 2023 in Spark Sql by GeorgeBell

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Spark SQL can read and write data from Hive Tables

asked Aug 18, 2023 in Spark Sql by GeorgeBell

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