Recent questions tagged big-data-analytics

+3 votes

Q: Why do we need Hadoop for Big Data Analytics?

asked Nov 25, 2022 in Big Data | Hadoop by john ganales

+2 votes

Q: NoSQL databases are designed to expand _.

asked Aug 23, 2019 in NoSQL by Venkatshastri

+3 votes

Q: Cassandra lightweight transactions (LWT) supports pattern.

asked May 31, 2019 in NoSQL by aaravkhandelwal.2018

+3 votes

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

asked May 31, 2019 in NoSQL by aaravkhandelwal.2018

+3 votes

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

asked May 31, 2019 in NoSQL by aaravkhandelwal.2018

+2 votes

Q: In Riak, consistency model is implemented

asked May 31, 2019 in NoSQL by aaravkhandelwal.2018

+3 votes

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

+3 votes

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

+1 vote

Q: Riak demonstrates dual nature of

asked May 31, 2019 in NoSQL by aaravkhandelwal.2018

+2 votes

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

+1 vote

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

+2 votes

Q: Kudu can be accessed via all except _.

asked May 31, 2019 in NoSQL by aaravkhandelwal.2018

+1 vote

Q: Wiredtiger storage engine is a part of ___.

asked May 31, 2019 in NoSQL by aaravkhandelwal.2018

+4 votes

Q: In Cassandra, if the replication factor is 3, the coordinator will send replicas of the data item to the next _ nodes on the ring.

asked May 31, 2019 in NoSQL by aaravkhandelwal.2018

+2 votes

Q: Read overhead in a Columnar database can be partly reduced by Multicolumn projection and _.

asked May 31, 2019 in NoSQL by aaravkhandelwal.2018

+3 votes

Q: _ are replicated to allow failover in MongoDB.

asked May 31, 2019 in NoSQL by aaravkhandelwal.2018

+1 vote

Q: The equivalent Hbase structure of an in-memory tree in Log-structured Merge Trees is __.

asked May 31, 2019 in NoSQL by aaravkhandelwal.2018

+3 votes

Q: Some of the common Write Consistency level in Cassandra include all except ___.

asked May 31, 2019 in NoSQL by aaravkhandelwal.2018

+2 votes

Q: Some of the common Read Consistency level in Cassandra include all except __.

asked May 31, 2019 in NoSQL by aaravkhandelwal.2018

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