Cloud Mentor Software Interview Questions and Answers

Q1. Data warehousing concepts
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Q1. There was nothing like an interview question. The HR setup a call with the General manager, India. He asked a few questions about me and my previous company. Then, he told about him and gave an overview of...read more
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Q1. The HR setup a call with someone in US. This person too asked me what my previous company is all about. Nothing technical. Asked me if I am confident about working here. Then the HR called and said I am se...read more
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Q1. What is left join
Ans. 
Left join is a type of join operation in SQL that returns all rows from the left table and matching rows from the right table.
• Left join combines rows from two tables based on a related column between them.

• If there is no match in the right table, NULL values are returned for the columns of the right table.

• Example: SELECT * FROM table1 LEFT JOIN table2 ON table1.id = table2.id;
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Q2. Write a query to get the 2nd highest salary
Ans. 
Query to retrieve the 2nd highest salary from a database table
• Use the ORDER BY clause to sort salaries in descending order

• Use the LIMIT clause to retrieve the second row
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Quants, time and speed, directions, blood relation

Ques on simple coding that you have performed during test.