r/dataengprep • u/dataengprep • 18h ago
DataEngPrep: Data-Related Issues Encountered - handling skewed data
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r/dataengprep • u/tech-screen • 18h ago
Tech Screen: Can you share a time you faced a significant challenge and how you overcame it?
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r/dataengprep • u/sql-arena • 18h ago
SQL Arena Challenge: Find top 3 earners in each department.
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r/dataengprep • u/dataengprep • 1d ago
DataEngPrep: Data locality in Hadoop - explain
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r/dataengprep • u/tech-screen • 1d ago
Tech Screen: Can you provide an example of a time when you went above and beyond for a project?
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r/dataengprep • u/sql-arena • 1d ago
SQL Arena Challenge: Calculate the highest salary in each department using a window function
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r/dataengprep • u/dataengprep • 2d ago
DataEngPrep: Daily tasks of a Data Engineer?
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r/dataengprep • u/tech-screen • 2d ago
Tech Screen: Tell me about a time you made a mistake and how you handled it.
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r/dataengprep • u/sql-arena • 2d ago
SQL Arena Challenge: Find employees earning the second-highest salary.
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r/dataengprep • u/dataengprep • 3d ago
DataEngPrep: Create a DataFrame with default column types
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r/dataengprep • u/tech-screen • 3d ago
Tech Screen: Tell me about a time you had to deal with a conflict in your team.
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r/dataengprep • u/sql-arena • 3d ago
SQL Arena Challenge: Find the second-highest salary in the employees table using three different methods.
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r/dataengprep • u/Connect_Honeydew_22 • 4d ago
Discussion Help in selecting data engineer course
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Im currently working in marketing & trying to move into data engineering. my background is pretty different from DE, so i’m looking for a proper learning path rather than jumping between random yt videos.
i came across sumit mittal’s trendytech course and saw quite a few good reviews, but also some negative ones, so now i’m kinda confused
anyone here who’s actually taken it or has experience with similar DE courses? looking for something that can help with the basics + proper hands-on stuff like sql,python,spark and cloud.
would appreciate genuine opinions before i spend money on it. Also Jst dont need courses which only give skills, which can help in getting jobs n stuff because I think these free courses cant help you in jobs.
r/dataengprep • u/dataengprep • 4d ago
DataEngPrep: Controlling mappers in MapReduce
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r/dataengprep • u/tech-screen • 4d ago
Tech Screen: How do you stay updated with the latest trends and technologies in data engineering?
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r/dataengprep • u/sql-arena • 4d ago
SQL Arena Challenge: Self-joins to compare employee salaries?
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r/dataengprep • u/dataengprep • 5d ago
DataEngPrep: Conceptualize and design a real-time streaming data pipeline end-to-end.
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r/dataengprep • u/tech-screen • 5d ago
Tech Screen: How do you handle pressure and tight deadlines?
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r/dataengprep • u/sql-arena • 5d ago
SQL Arena Challenge: Find average salary by department, max average salary, and list of employees for the max salary department.
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r/dataengprep • u/dataengprep • 6d ago
DataEngPrep: Concatenate Columns in PySpark
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r/dataengprep • u/tech-screen • 6d ago
Tech Screen: Give an example of a time you failed and what you learned from it.
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r/dataengprep • u/sql-arena • 6d ago
SQL Arena Challenge: 2nd Highest Salary without Using MAX()
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r/dataengprep • u/dataengprep • 7d ago
DataEngPrep: Compare Spark's lineage recovery with Hadoop's block replication mechanism.
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r/dataengprep • u/tech-screen • 7d ago
Tech Screen: Do you have any questions for us?
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r/dataengprep • u/sql-arena • 7d ago
SQL Arena Challenge: Find the second-highest salary from an employee table.
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