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Indiafilings Interview Questions and Answers
Q1. What are the different types of joins in SQL? Describe them in brief.
Q2. 3) What Data Structure does Quick Sort remind you of?
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
Q3. What is "option explicit" used for in VBA scripts?
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.
Q5. 4) Given a number N find the nearest perfect square
Q6. 1) Remove Duplicate from an array
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
Q7. 2) Explain Merge Sort and Quick Sort
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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