Codeforce 360 Trainee Interview Questions and Answers

Q1. Basic Q's about the Technology that we are working on
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Q1. Realtime scenario Q's on the application
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Q1. Salary discussion and working experiences with previous organisation
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Q1. Detailed process about OFSAA Support
Ans. 
OFSAA support involves troubleshooting, maintenance, and enhancements for Oracle Financial Services Analytical Applications.
• Incident Management: Addressing user-reported issues promptly, such as resolving data discrepancies in financial reports.

• System Monitoring: Regularly checking system performance and health to ensure optimal operation, like monitoring ETL processes.

• Patch Management: Applying updates and patches to ...read more
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Q2. In depth knowledge of the application process
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Good. Try to solve many puzzles.

Q1. Good. Try to solve many puzzles.
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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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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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Q1. What is bioinformatics
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Bioinformatics is the field of science that combines biology, computer science, and statistics to analyze and interpret biological data.
• Bioinformatics involves the development and application of computational tools and techniques to study biological information.

• It includes the analysis of DNA, RNA, and protein sequences, as well as the prediction of protein structures and functions.

• Bioinformatics plays a crucial role i...read more
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Q2. It is a computational tool
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Q1. Tell about your experience
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Q1. Self introduction
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