DCB Bank Software Developer Interview Questions and Answers

Q1. 1. Power BI, 2. SQL,
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Q2. 3. Azure and 4. Excel.
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Q1. LRU cache design
Ans. 
LRU cache design involves maintaining a cache with limited capacity and removing the least recently used item when the cache is full.
• Use a doubly linked list to maintain the order of items based on their usage.

• Implement a hash map for fast access to items in the cache.

• When a new item is accessed, move it to the front of the linked list to mark it as the most recently used.

• When the cache is full, remove the item at the ...read more
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Q2. Current project
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Joins, Jobs, stored procedures,cursors.

Q1. What is my package
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1)Buy and sell stock
2)2 sum
3) system design
4) Elastic search
5) deployment

Basic data structure related coding questions like creating a linked list and adding items to it median.
Max heap implementation.
Concurrency related questions.

Q1. Senior developer was taking the round, covering all design and architecture related questions. I was able to give a satisfactory solution.
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Q1. Just some behavioural question along with a lil bit technical questions. Asked me about my current projects and problems faced, how i gave a proper solution and how i help my team to grow.
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Simple algorithm question about sorting

Q1. Algorith question about quick sort
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Q2. Nlonn run time of the sort
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The time complexity of the quicksort algorithm is O(n log n).
• Quicksort has an average time complexity of O(n log n).

• The best case time complexity of quicksort is O(n log n) when the pivot element divides the array into two equal halves.

• The worst case time complexity of quicksort is O(n^2) when the pivot element is the smallest or largest element in the array.
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Q1. Oops, basic ,SQL ,ado
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Curd operation with SQL connectivity