RoboMQ Interview Questions and Answers

Round duration - 90 minutes
Round difficulty - Hard

Q1. 
Nth Fibonacci Number Problem Statement
Calculate the Nth term in the Fibonacci sequence, where the sequence is defined as follows: F(n) = F(n-1) + F(n-2), with initial conditions F(1) = F(2) = 1.
Input:
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Ans. 
Calculate the Nth Fibonacci number efficiently using dynamic programming.
• Use dynamic programming to store previously calculated Fibonacci numbers to avoid redundant calculations.

• Start with base cases F(1) and F(2) as 1, then iterate to calculate subsequent Fibonacci numbers.

• Return the Nth Fibonacci number as the result.
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Round duration - 30 minutes
Round difficulty - Medium

Q1. What are some basic DBMS concepts, including joins and subqueries, that you are familiar with, and can you also describe your knowledge of data structures?
Ans. 
Familiar with basic DBMS concepts, joins, subqueries, and data structures.
• Basic DBMS concepts include tables, relationships, normalization, and indexing.

• Joins are used to combine rows from two or more tables based on a related column.

• Subqueries are queries nested within another query to retrieve data.

• Data structures refer to the way data is organized and stored in a database, such as arrays, linked lists, trees, and gr
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Round duration - 15 minutes
Round difficulty - Easy

Easy

Basic coding questions

General questions