Recent questions tagged #hadoop

+1 vote

Q: Which of the following is not true for Catalyst Optimizer?

asked Jun 30, 2019 in Spark Sql by anonymous

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Q: User-defined aggregations in Spark SQL

asked Jun 30, 2019 in Spark Sql by anonymous

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Q: We can create DataFrame using-

asked Jun 30, 2019 in Spark Sql by anonymous

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Q: Which of the following are uses of Apache Spark SQL?

asked Jun 30, 2019 in Spark Sql by anonymous

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Q: Which of the following is true for Spark SQL?

asked Jun 30, 2019 in Spark Sql by anonymous

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Q: Which creates DataFrame objects and executes SQL queries

asked Jun 30, 2019 in Spark Sql by anonymous

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Q: DataFrame: Supports the programming languages like ___

asked Jun 30, 2019 in Spark Sql by anonymous

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Q: How to see the Structure (Schema) of the DataFrame

asked Jun 30, 2019 in Spark Sql by anonymous

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Q: Which of the following is true about DataFrame?

asked Jun 30, 2019 in Spark Sql by anonymous

+1 vote

Q: Does Dataset API support Python and R.

asked Jun 30, 2019 in Spark Sql by anonymous

+1 vote

Q: Functions of Spark SQL is/are

asked Jun 30, 2019 in Spark Sql by anonymous

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Q: When SQL run from the other programming language the result will be-

asked Jun 30, 2019 in Spark Sql by anonymous

+1 vote

Q: Syntax to create a DataFrame based on the content of a JSON file

asked Jun 30, 2019 in Spark Sql by anonymous

+1 vote

Q: How to display the content of the DataFrame

asked Jun 30, 2019 in Spark Sql by anonymous

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Q: Google published a paper __________ which is about processing large distributed datasets

asked May 24, 2019 in Big Data | Hadoop by Derya

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Q: For low latency queries Hadoop become a good choice due to its latency issues.

asked May 24, 2019 in Big Data | Hadoop by Derya

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Q: Apache HBase was created in _____ at ______

asked May 24, 2019 in Big Data | Hadoop by Derya

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Q: Hbase is _______ database.

asked May 24, 2019 in Big Data | Hadoop by Derya

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Q: Google published the paper Google File System in ____.

asked May 24, 2019 in Big Data | Hadoop by Derya

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