Recent questions tagged #big-data

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In Cassandra, the ___ determines how many copies of the data will be maintained across multiple nodes.

asked Aug 26, 2019 in NoSQL by Venkatshastri

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Cassandra allows to define composite Primary Keys.

asked Aug 23, 2019 in NoSQL by Venkatshastri

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The RDBMS 'table' equivalent terminology in Riak is

asked Aug 23, 2019 in NoSQL by Venkatshastri

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A Riak convergent replicated data type (CRDT) includes .

asked Aug 23, 2019 in NoSQL by Venkatshastri

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Cassandra has properties of both and __ .

asked Aug 23, 2019 in NoSQL by Venkatshastri

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Key-value pair data storages include all except

asked Aug 23, 2019 in NoSQL by Venkatshastri

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A Key-value store does not support Secondary Indexes

asked Aug 23, 2019 in NoSQL by Venkatshastri

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distributes different data across multiple servers.

asked Aug 23, 2019 in NoSQL by Venkatshastri

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Limitations of RDBMS are .

asked Aug 23, 2019 in NoSQL by Venkatshastri

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Full-form of 'CRUD' is _.

asked Aug 23, 2019 in NoSQL by Venkatshastri

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Horizontal scaling approach tends to be cheaper as the number of operations and the size of the data increases.

asked Aug 23, 2019 in NoSQL by Venkatshastri

+1 vote

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Which of the following the data is organised into named coloumn?

asked Jun 30, 2019 in Spark Sql by anonymous

+1 vote

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The Dataset API is accessible in-

asked Jun 30, 2019 in Spark Sql by anonymous

+1 vote

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___ is the entry point to interact with underlying Spark functionality

asked Jun 30, 2019 in Spark Sql by anonymous

+1 vote

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Which of the following is not true for Catalyst Optimizer?

asked Jun 30, 2019 in Spark Sql by anonymous

+1 vote

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User-defined aggregations in Spark SQL

asked Jun 30, 2019 in Spark Sql by anonymous

+1 vote

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We can create DataFrame using-

asked Jun 30, 2019 in Spark Sql by anonymous

+1 vote

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Which of the following are uses of Apache Spark SQL?

asked Jun 30, 2019 in Spark Sql by anonymous

+1 vote

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Which of the following is true for Spark SQL?

asked Jun 30, 2019 in Spark Sql by anonymous

+1 vote

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Which creates DataFrame objects and executes SQL queries

asked Jun 30, 2019 in Spark Sql by anonymous

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