What is the difference between primary, partition and clustering key in Cassandra ?
Answer : In Cassandra, a table contain a number of rows.
What is the difference between Cassandra and Hadoop ?
Answer : All nodes are same in Peer-to-Peer Distributed architecture. Master/Slave. Name Node act as Master and data node...
What is the virtual node in Cassandra ?
Answer : Prior to Cassandra 1.2, every node was allocate to a particular token range.
What is the use of Cassandra database ?
Answer : Apache Cassandra is a high-performance provides database to manage large number of data among many commodity...
What is the replica placement strategy in Cassandra ?
Answer : Once you’ve absorbed that the strategy should fit the kind of environment you are placing your cluster in...
What is the relationship between Apache Hadoop, HBase, Hive and Cassandra ?
Answer : It is a Big Data framework which uses Hadoop Distributed File System to Store the data and MapReduce framework to...
What is the most widely used API to write data to Cassandra ?
Answer : Java makes the write procedure locked into the Java program.
What is the internal architecture of the Cassandra database ?
Answer : Cassandra is build to manage big data workloads among multiple nodes with no single point of failure
What is the Cassandra coefficient ?
Answer : The four components of the Cassandra Coefficient are...
What is the best method for storing lists of large objects in Cassandra ?
Answer : All header information variables become static attached to your primary key...
What is secondary index in Cassandra ?
Answer : A primary index is global, although a secondary index is local.
What is cluster, node and key space in cassandra ?
Answer : Cluster is a collection of multiple data centers.
What is Cassandra data modelling ?
Answer : The Group of independent servers (usually in close proximity to one another) interconnected via network to work as...
What is a seed node in Apache Cassandra ?
Answer : Seeds are used to discover the cluster in the start up period...
What is the history of the Cassandra database ?
Answer : Amazon's dynamo and Prashant malik are written by Avinash Lakshman at first succeed Cassandra at Facebook to...
What is Cassandra database software ?
Answer : Apache Cassandra is a simple and open-source provides NoSQL DBMS build to handle huge volume of data against more...
Print pyramid triangle in C++
Answer : To print pyramid triangle in C++, we have use two for loop...
C++ Inheritance
Answer : Inheritance is one of the key features of Object-oriented programming...
Dangling Pointer ?
Answer : A dangling pointer is pointing to a memory location...
Finding all substrings of a given number that are divisible by 11
Answer : Query(l, r) : find if the sub-string between the indices l and r....
