EC-Mobility Interview Questions and Answers

Q1. Where do you stay? Do you have problem with travel?
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Q2. What do you know about the company? Can you travel to other cities?
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Q1. Tell me about yourself.
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Q1. Explain Joins in SQL?
Ans. 
Joins in SQL are used to combine rows from two or more tables based on a related column between them.
• Joins are used to retrieve data from multiple tables based on a related column between them

• Types of joins include INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL JOIN

• INNER JOIN returns rows when there is at least one match in both tables

• LEFT JOIN returns all rows from the left table and the matched rows from the right table

• ...read more
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Q2. What is Normalisation?
Ans. 
Normalisation is the process of organizing data in a database to reduce redundancy and improve data integrity.
• Normalisation involves breaking down data into smaller, more manageable tables

• It helps in reducing data redundancy by storing data in a structured way

• It improves data integrity by ensuring that each piece of data is stored in only one place

• Normalization is usually done in multiple stages (1NF, 2NF, 3NF, etc.) t...read more
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Questions mostly revolved around pandas and numpy.

Q1. DS and algo round. Leetcode medium 2 questions.
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System Design. Design backend of Amazon

Q1. Normal questions and salary expectation
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Twisted Dsa questions were asked .. pretty interesting was a fun interview

Q1. The had asked questions about the field SQL etc
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Q1. Array question, Tree question
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Q1. ROR questions, System Design
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Q1. Scenario Based, HR questions
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