Chaayos Software Engineer Interview Questions and Answers

Q1. Use of model in laravel
Ans. 
Models in Laravel are used to interact with the database and represent data.
• Models in Laravel are used to perform database operations such as retrieving, inserting, updating, and deleting data.

• Models help in organizing and structuring the data in the application.

• Models in Laravel follow the MVC (Model-View-Controller) pattern.

• Example: Creating a User model in Laravel to interact with the users table in the database.
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Q2. SQL get highest salary for employee
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Q1. SQL joins and types of joins
Ans. 
SQL joins are used to combine rows from two or more 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.

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

• F...read more
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Q2. What is self join and realted question
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Q1. Previous projects and contributions
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Math Reasoning, Probability, Graph and pie charts, Indices, Trignometry, Geometry

Verbal communication and english speaking, grammer,

Polyfills,html,css basics,js intermediate level

Q1. Basic Php ,Oops
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Q1. Security questions
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Leetcode medium to hard

Q1. Rain water trapping
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Q2. Bricks and ladder
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It was 1 hour long and was asked to pass all the test cases.

Q1. System Design with basic of OOP and OS
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