Country Vacations Interview Questions and Answers

Q1. General questions
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Q2. About yourself and experience
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Practical case solving about the work you are applying for

Q1. Related you & about you
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Q2. Your education background
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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
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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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Q1. Basic Php ,Oops
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Q1. Security questions
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Q1. What are the use cases of self-join?
Ans. 
Self-join is used to join a table with itself to compare rows within the same table.
• Used to compare rows within the same table

• Helps in retrieving hierarchical data

• Can be used to find employees who report to the same manager
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Q2. How to extract nth highest salary?
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Q3. What are the critical KPIs to be monitored after creating a new website?
Ans. 
Critical KPIs to monitor after creating a new website include traffic, conversion rate, bounce rate, and user engagement.
• Traffic: Monitor the number of visitors to the website to gauge its reach and popularity.

• Conversion Rate: Track the percentage of visitors who take a desired action, such as making a purchase or signing up for a newsletter.

• Bounce Rate: Measure the percentage of visitors who leave the website after vi...read more
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Q4. What would be the probability of getting at least one six after throwing 2 unbiased dice?
Ans. 
The probability of getting at least one six after throwing 2 unbiased dice is 11/36.
• The total number of outcomes when throwing 2 dice is 36 (6 sides on each die)

• The number of outcomes where at least one die shows a six is 11 (6 outcomes where one die shows a six, plus 1 outcome where both dice show sixes)
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SQL questions and logical reasoning

Q1. Talked about resume, projects and general questions of maths and logical reasoning
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A guesstimate and a case study on profitability