Demandbase Interview Questions and Answers

It was a hybrid type of test it consisted of 3 sections
1. Aptitude
2. 2 DSA questions only the algorithm was to be written on the paper
3. 5 SQL queries (Intermediate level)

Q1. This was a one-to-one coding round medium-level dsa questions were asked.
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Q2. Find the minimum element in a stack in O(1) complexity
Ans. 
To find the minimum element in a stack in O(1) complexity, we can use an auxiliary stack.
• Create an auxiliary stack to keep track of the minimum element.

• Push the first element of the main stack onto the auxiliary stack.

• For each subsequent element, compare it with the top element of the auxiliary stack.

• If it is smaller, push it onto the auxiliary stack.

• To get the minimum element, simply return the top element of the auxi...read more
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Q1. In this round knowledge regarding SQL queries was tested.
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Q2. Fetch data without using subqueries instead use joins type of questions
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Q1. In this round real world problem was described and I was asked to develop a data analytics solution for the same.
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In this there were 3 modules
1- logical reasoning
2- accounts related questions
3- company related questions

They asked to introduce yourself and speak for 1 min on your favourite topic

There were three modules in test
1St is logical reasoning
2nd is related to accounts
3 Rd is based on company

They asked to introduce and speak for 1 min on your favourite topic