Recent questions tagged Hadoop

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Q: NoSQL databases are designed to expand _.

asked Aug 23, 2019 in NoSQL by Venkatshastri

+1 vote

Q: Which supports cost-based optimization and rule-based optimization

asked Jun 30, 2019 in Spark Sql by anonymous

+1 vote

Q: To implement a custom untyped user-defined aggregation function, the user has to extend the which class

asked Jun 30, 2019 in Spark Sql by anonymous

+1 vote

Q: Which is true about DataSource API

asked Jun 30, 2019 in Spark Sql by anonymous

+1 vote

Q: Which is the entry point used in Spark 2.0?

asked Jun 30, 2019 in Spark Sql by anonymous

+1 vote

Q: The SQL queries/API calls are converted to -------------------------

asked Jun 30, 2019 in Spark Sql by anonymous

+1 vote

Q: Which of these code snippet is the correct format to run SQL queries?

asked Jun 30, 2019 in Spark Sql by anonymous

+1 vote

Q: What is RDD?

asked Jun 30, 2019 in Spark Sql by anonymous

+1 vote

Q: Email is an example of structured data

asked Jun 30, 2019 in Spark Sql by anonymous

+1 vote

Q: Cassandra lightweight transactions (LWT) supports pattern.

asked May 31, 2019 in NoSQL by aaravkhandelwal.2018

+1 vote

Q: Hbase DDL Operations (create, delete tables) are maintained by ___.

asked May 31, 2019 in NoSQL by aaravkhandelwal.2018

+1 vote

Q: Like most relational databases, Kudu also offers secondary indexes and uniqueness constraints.

asked May 31, 2019 in NoSQL by aaravkhandelwal.2018

+1 vote

Q: In Riak, consistency model is implemented

asked May 31, 2019 in NoSQL by aaravkhandelwal.2018

+1 vote

Q: The process through which the on-disk tree files periodically merged to create larger consolidated stores is called __.

asked May 31, 2019 in NoSQL by aaravkhandelwal.2018

+1 vote

Q: Cassandra's Gossip Protocol can take care of the heartbeat lost due to _ in a widely distributed system.

asked May 31, 2019 in NoSQL by aaravkhandelwal.2018

0 votes

Q: Riak demonstrates dual nature of

asked May 31, 2019 in NoSQL by aaravkhandelwal.2018

+1 vote

Q: Transactional integrity is relevant in case of batch-centric Hadoop-based analytics on warehoused data.

asked May 31, 2019 in NoSQL by aaravkhandelwal.2018

+2 votes

Q: In case of an Eventual consistency, reads may not return the most recent value, but reads will not return values “out of sequence.”

asked May 31, 2019 in NoSQL by aaravkhandelwal.2018

0 votes

Q: The equivalent Hbase structure of an on-disk trees in Log-structured Merge Trees is ___.

asked May 31, 2019 in NoSQL by aaravkhandelwal.2018

+1 vote

Q: Kudu can be accessed via all except _.

asked May 31, 2019 in NoSQL by aaravkhandelwal.2018

Recent questions tagged Hadoop

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