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Indiafilings Interview Questions and Answers

Updated 1 Feb 2025
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Q1. What are the different types of joins in SQL? Describe them in brief.

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Q2. 3) What Data Structure does Quick Sort remind you of?

Ans.

Quick Sort reminds me of the Data Structure - Array

  • Quick Sort is a sorting algorithm that works on arrays

  • It uses the partitioning technique to divide the array into smaller sub-arrays

  • The sub-arrays are then sorted recursively using Quick Sort

  • The final sorted array is obtained by merging the sub-arrays

  • Arrays are a linear data structure that stores elements of the same type

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Q3. What is "option explicit" used for in VBA scripts?

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Q4. Just imagine what you would do if a scenario is given wherein what would you do.Eg: What were the problems you faced when the quality wasn't proper.

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Q5. 4) Given a number N find the nearest perfect square

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Q6. 1) Remove Duplicate from an array

Ans.

Remove duplicates from an array of strings

  • Create a new empty array

  • Loop through the original array and check if the current element exists in the new array

  • If it doesn't exist, add it to the new array

  • Return the new array

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Q7. 2) Explain Merge Sort and Quick Sort

Ans.

Merge Sort and Quick Sort are two popular sorting algorithms used to sort arrays.

  • Merge Sort divides the array into two halves, sorts them recursively, and then merges them back together.

  • Quick Sort selects a pivot element, partitions the array around the pivot, and then recursively sorts the two resulting sub-arrays.

  • Merge Sort has a worst-case time complexity of O(nlogn), while Quick Sort has a worst-case time complexity of O(n^2).

  • Merge Sort is stable, meaning that it preserve...read more

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