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....
What is the best way to sort an array of 0s and 1s ?
Answer : Sort an array elements means arrange...
Find Largest number from set of given numbers ?
Answer : Find number of digits in the largest number. Let us assume number of digits be n...
The operator when overloaded in a class ?
Answer : B. Ad-hoc polymorphism
Syntax for Pure Virtual Function is ?
Answer : D. void virtual show()=0
Find the wrong statement about Abstract Class ?
Answer : B. We can’t create pointers to an abstract class
A virtual function that has no definition within the base class is called ?
Answer : A. Pure virtual function
Which of the following statements about virtual base classes is correct ?
Answer : B. It is used to avoid multiple copies of base class in derived class.
Which of the following concepts means wrapping up of data and functions together ?
Answer : B. Encapsulation
Which of the following can access private data members or member functions of a class ?
Answer : C. Any member function of that class.
