Dom Ventas Data Science Intern Interview Questions and Answers

Quant, verbal, lrdi

Q1. Machine Design concepts
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Q2. Thermodynamics and RAC Concepts
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Q1. Advanced Excel Proficiency is tested
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Q1. Introduction about yourself
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General awareness communication

Q1. Based on Job applied
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Q2. Based on job description
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Q1. ABOUT THE JOB ROLE AND EXPERIENCE
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Q2. ABOUT KNOWLEDGE RELATED TO JD
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1 hour duration, related financial crisis

Q1. What are joins and its types?
Ans. 
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.

• FULL ...read more
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Q2. What are aggregate functions?
Ans. 
Aggregate functions are functions in databases that perform a calculation on a set of values and return a single value.
• Aggregate functions are used to perform operations on a group of rows and return a single result.

• Common aggregate functions include SUM, AVG, COUNT, MIN, and MAX.

• For example, SUM function calculates the total of a column, AVG calculates the average, COUNT counts the number of rows, MIN finds the minimu
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Q1. Coding questions in python eda part
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Q1. Where do u see in next 5 years
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Q1. Tell me about youself
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Q2. Walk me through your resume
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