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Recent questions tagged sql
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sql
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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
spark
sql
questions
and
answers
faq
hadoop
big
data
tutorial
+1
vote
Q: Which is true about DataSource API
asked
Jun 30, 2019
in
Spark Sql
by
anonymous
spark
sql
questions
and
answers
faq
hadoop
big
data
tutorial
+1
vote
Q: Which is the entry point used in Spark 2.0?
asked
Jun 30, 2019
in
Spark Sql
by
anonymous
spark
sql
questions
and
answers
faq
hadoop
big
data
tutorial
+1
vote
Q: The SQL queries/API calls are converted to -------------------------
asked
Jun 30, 2019
in
Spark Sql
by
anonymous
spark
sql
questions
and
answers
faq
hadoop
big
data
tutorial
+2
votes
Q: Which of these code snippet is the correct format to run SQL queries?
asked
Jun 30, 2019
in
Spark Sql
by
anonymous
spark
sql
questions
and
answers
faq
hadoop
big
data
tuto
+1
vote
Q: What is RDD?
asked
Jun 30, 2019
in
Spark Sql
by
anonymous
spark
sql
questions
and
answers
faq
hadoop
big
data
tutorial
+1
vote
Q: Email is an example of structured data
asked
Jun 30, 2019
in
Spark Sql
by
anonymous
spark
sql
questions
and
answers
faq
hadoop
big
data
tutorial
+3
votes
Q: Cassandra lightweight transactions (LWT) supports pattern.
asked
May 31, 2019
in
NoSQL
by
aaravkhandelwal.2018
big-data
mongodb
hadoop
cassandra
big-data-analytics
memebase
nosql
no-sql
sql
rdbms
+3
votes
Q: Hbase DDL Operations (create, delete tables) are maintained by ___.
asked
May 31, 2019
in
NoSQL
by
aaravkhandelwal.2018
big-data
mongodb
hadoop
cassandra
big-data-analytics
memebase
nosql
no-sql
sql
rdbms
+3
votes
Q: Like most relational databases, Kudu also offers secondary indexes and uniqueness constraints.
asked
May 31, 2019
in
NoSQL
by
aaravkhandelwal.2018
big-data
mongodb
hadoop
cassandra
big-data-analytics
memebase
nosql
no-sql
sql
rdbms
+2
votes
Q: In Riak, consistency model is implemented
asked
May 31, 2019
in
NoSQL
by
aaravkhandelwal.2018
big-data
mongodb
hadoop
cassandra
big-data-analytics
memebase
nosql
no-sql
sql
rdbms
+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
big-data
mongodb
hadoop
cassandra
big-data-analytics
memebase
nosql
no-sql
sql
rdbms
+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
big-data
mongodb
hadoop
cassandra
big-data-analytics
memebase
nosql
no-sql
sql
rdbms
+1
vote
Q: Riak demonstrates dual nature of
asked
May 31, 2019
in
NoSQL
by
aaravkhandelwal.2018
big-data
mongodb
hadoop
cassandra
big-data-analytics
memebase
nosql
no-sql
sql
rdbms
+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
big-data
mongodb
hadoop
cassandra
big-data-analytics
memebase
nosql
no-sql
sql
rdbms
+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
big-data
mongodb
hadoop
cassandra
big-data-analytics
memebase
nosql
no-sql
sql
rdbms
+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
big-data
mongodb
hadoop
cassandra
big-data-analytics
memebase
nosql
no-sql
sql
rdbms
+2
votes
Q: Kudu can be accessed via all except _.
asked
May 31, 2019
in
NoSQL
by
aaravkhandelwal.2018
big-data
mongodb
hadoop
cassandra
big-data-analytics
memebase
nosql
no-sql
sql
rdbms
+1
vote
Q: Wiredtiger storage engine is a part of ___.
asked
May 31, 2019
in
NoSQL
by
aaravkhandelwal.2018
big-data
mongodb
hadoop
cassandra
big-data-analytics
memebase
nosql
no-sql
sql
rdbms
+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
big-data
mongodb
hadoop
cassandra
big-data-analytics
memebase
nosql
no-sql
sql
rdbms
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