Experience : 6 months of Internship

Park Plus is a Startup in New Delhi.(About)

First Round :

• Formal Introduction.
• Asked About Projects.
• Difference between SQL and NoSQL. Pros and Cons. Where should we use SQL and NoSQL.
• Given a problem, I have to make a SQL Database structure and then interviewer told me to convert it into NoSQL.
• Asked a medium leetcode question. link

Second Round:

• Asked a medium Leetcode question link
• Asked a medium Leetcode question link
• Multithreading questions. Why we use it. Situational questions regarding multithreading.
• Asked some Situational questions and we have to tell him How we gonna tackle this or which technique we have to use. Llike in one question we have to use Load Balancer to solve the problem.
• System Design Questions.
• If I have million of users in the same table and I have to send the push notification to the all the users about the sale. How gonna you handle this?
• Database Structure of BookMyShow (In and Out).

Third Round with CTO:

• Introduction
• Asked about Tasks done in Internship.
• Asked about Personal Projects.
• 2 Leetcode Medium Questions based on Sorting and Binary Search in Matrix.
• ACID operations in Database.
• HTTP and HTTPS.
• DDL and DML. Difference between Delete and Truncate.

If anyone has any questions, doubt in her/his mind, please comment below. I will be happy to conversate with you and help you.
Thank you.