HyperVerge SDE Intern Interview Questions and Answers

Q1. How Indexing works in DB
Ans. 
Indexing in DB is a technique to improve the speed of data retrieval by creating a data structure that allows for quick lookup of data.
• Indexes are created on columns in a database table to speed up the retrieval of rows that match a certain condition.

• Types of indexes include B-tree, hash, and bitmap indexes.

• Indexes can be unique or non-unique, clustered or non-clustered.

• Example: Creating an index on the 'email' column ...read more
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Q2. Spring Boot depenencies
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Q1. System Design of Bookmyshow
Ans. 
Bookmyshow is a popular online ticketing platform for movies, events, and other entertainment.
• Bookmyshow allows users to browse and book tickets for movies, events, plays, sports, etc.

• The system should have features like seat selection, payment gateway integration, booking history, and notifications.

• Scalability is important to handle high traffic during popular movie releases or events.

• Integration with cinema partners ...read more
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Q2. Some SQL queries to write
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Easy questions but less time

2 easy and 1 hard leet code

Q1. Reverse the link list
Ans. 
Reverse a linked list
• Iterate through the linked list and reverse the pointers

• Use three pointers - prev, current, next to reverse the links

• Update the head of the linked list to the last node after reversing
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Q2. The Hanoi tower problem was given
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Q3. One DP question was given to explain not write
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Q1. JEE rank and previous paid internship
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Q1. Data management intern , based in excel .interview questions
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Q1. Core java, multi-threading, oops, etc.
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Q2. Get all permutations of an array.
Ans. 
Get all permutations of an array.
• Use recursion to swap elements and generate permutations

• Iterate through the array and swap elements at each index

• Use a set to avoid duplicates
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Q1. Tick the words boxes that best describes yourself.
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Q2. Tick the words boxes that best describes your vision of a perfect employer.
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Had to solve 50 questions in 12 minutes. Questions were very easy, only headache was to attempt as many as you could in 12 minutes. .

Had questions regarding core subjects in the multiple choice section in the 1st section of this round. In the section 2nd of this round you had 3 questions of data structures (2 easy and 1 of moderate difficulty level).

Q1. Interview revolved around Data Structures and DBMS (particularly SQL).
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Q1. Standard HR questions that you probably gonna expect in every other company.
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