embedUR Systems Full Stack Developer Interview Questions and Answers for Freshers

Array duplicates and burn binary tree

Q1. Project specific
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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 are object and class in OOPs?
Ans. 
Objects are instances of classes in OOPs. Classes are blueprints for creating objects with attributes and methods.
• Objects are instances of classes

• Classes are blueprints for creating objects

• Classes define attributes and methods for objects

• Example: Class 'Car' with attributes like 'color' and methods like 'drive'
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What is javascripts, html and css

Aptitude auestions were there

In this round 14 mcq and 2 sql queries were given

Q1. Project related
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Q2. How you solve questions
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Q1. Basically all about your personal skills
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Q2. Project level knowledge.
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Arrays and Pointers code

Q1. Project related questions
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Q2. Oops concept html css sql
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It was very tough all questions are from leetcode hard level