Appventurez Internship Trainee Interview Questions and Answers

1hr 20 questions based on maths aptitude

Dsa 1 hr 2 questions

Q1. Difference between List tuple
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Q1. Sql is the most important , Focus on Joins ,Sub query and Sql basics
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Q2. Joining tables with different joins
Ans. 
Joining tables with different joins in SQL
• Use INNER JOIN to return rows when there is at least one match in both tables

• Use LEFT JOIN to return all rows from the left table and the matched rows from the right table

• Use RIGHT JOIN to return all rows from the right table and the matched rows from the left table

• Use FULL JOIN to return rows when there is a match in one of the tables
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Q1. About my platform related
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Q2. Abot my platform related
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UI design and crud operation tasks

Q1. Salary discussion fully connected
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Test of SQL, Tableau and other skills based on your resume on Skillate

Q1. SQL and other skills technical questions
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Q1. Manager round / 2nd technical round
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Q1. SQL joins, window functions, scenario based questions on data cleaning, data processing
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Q2. What strategies can be employed for the optimization of ETL processes and Spark jobs?
Ans. 
Optimize ETL processes and Spark jobs through efficient design, resource management, and performance tuning.
• Use partitioning to improve data processing speed. For example, partitioning large datasets by date can speed up queries.

• Implement data caching in Spark to store intermediate results, reducing the need for repeated computations.

• Optimize data formats by using columnar storage formats like Parquet or ORC, which imp...read more
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Asked basic questions on aptitude and reasoning

It cosist of some aptitude questions

Q1. BASIC JAVASCRIPT
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Q2. OBDX RELATED backend and front end
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