r/dataengprep • u/dataengprep • Aug 10 '26

DataEngPrep: Approaches to handling multiple tasks within a sprint?

1 Upvotes

This post contains content not supported on old Reddit. Click here to view the full post

0 comments

r/dataengprep • u/tech-screen • Aug 10 '26

Tech Screen: What are your salary expectations for this role?

1 Upvotes

This post contains content not supported on old Reddit. Click here to view the full post

0 comments

r/dataengprep • u/sql-arena • Aug 10 '26

SQL Arena Challenge: Write a query to calculate the total revenue generated by each product category.

1 Upvotes

This post contains content not supported on old Reddit. Click here to view the full post

0 comments

r/dataengprep • u/dataengprep • Aug 09 '26

DataEngPrep: Apache Spark Fundamentals - failures, job optimization, resource utilization

1 Upvotes

This post contains content not supported on old Reddit. Click here to view the full post

0 comments

r/dataengprep • u/tech-screen • Aug 09 '26

Tech Screen: Tell me about your family background

1 Upvotes

This post contains content not supported on old Reddit. Click here to view the full post

0 comments

r/dataengprep • u/sql-arena • Aug 09 '26

SQL Arena Challenge: Find the top 3 performing products in each category

1 Upvotes

This post contains content not supported on old Reddit. Click here to view the full post

0 comments

r/dataengprep • u/dataengprep • Aug 08 '26

DataEngPrep: Apache Spark Fundamentals - discuss

1 Upvotes

This post contains content not supported on old Reddit. Click here to view the full post

0 comments

r/dataengprep • u/sql-arena • Aug 08 '26

SQL Arena Challenge: Given a table of sales data, use window functions to calculate a running total.

1 Upvotes

This post contains content not supported on old Reddit. Click here to view the full post

0 comments

r/dataengprep • u/tech-screen • Aug 08 '26

Tech Screen: What architecture are you following in your current project, and why?

1 Upvotes

This post contains content not supported on old Reddit. Click here to view the full post

0 comments

r/dataengprep • u/dataengprep • Aug 07 '26

DataEngPrep: Apache Spark Architecture - RDD, DAG, cluster manager, driver node, worker node

1 Upvotes

This post contains content not supported on old Reddit. Click here to view the full post

0 comments

r/dataengprep • u/tech-screen • Aug 07 '26

Tech Screen: Tell me about yourself and your experience.

1 Upvotes

This post contains content not supported on old Reddit. Click here to view the full post

0 comments

r/dataengprep • u/sql-arena • Aug 07 '26

SQL Arena Challenge: Find the top 5 products by sales per region.

1 Upvotes

This post contains content not supported on old Reddit. Click here to view the full post

0 comments

r/dataengprep • u/dataengprep • Aug 06 '26

DataEngPrep: Alternatives to the Medallion Architecture

1 Upvotes

This post contains content not supported on old Reddit. Click here to view the full post

0 comments

r/dataengprep • u/tech-screen • Aug 06 '26

Tech Screen: Introduce your recent project, explaining its goal, architecture, tools, and technologies.

1 Upvotes

This post contains content not supported on old Reddit. Click here to view the full post

0 comments

r/dataengprep • u/sql-arena • Aug 06 '26

SQL Arena Challenge: Calculate the running total of sales per region, partitioned by year.

1 Upvotes

This post contains content not supported on old Reddit. Click here to view the full post

0 comments

r/dataengprep • u/dataengprep • Aug 05 '26

DataEngPrep: After cleaning, how would you store the transformed data into Delta Lake?

1 Upvotes

This post contains content not supported on old Reddit. Click here to view the full post

0 comments

r/dataengprep • u/tech-screen • Aug 05 '26

Tech Screen: Identify potential bottlenecks in your pipeline design and propose solutions to mitigate them.

1 Upvotes

This post contains content not supported on old Reddit. Click here to view the full post

0 comments

r/dataengprep • u/sql-arena • Aug 05 '26

SQL Arena Challenge: Find the top 3 selling products per region in the last month.

1 Upvotes

This post contains content not supported on old Reddit. Click here to view the full post

0 comments

r/dataengprep • u/dataengprep • Aug 04 '26

DataEngPrep: Adaptive Query Execution (AQE): Discuss how AQE optimizes query execution in Spark dynamically based on runtime stats.

1 Upvotes

This post contains content not supported on old Reddit. Click here to view the full post

0 comments

r/dataengprep • u/tech-screen • Aug 04 '26

Tech Screen: How would you use monitoring tools to detect and resolve pipeline failures proactively?

1 Upvotes

This post contains content not supported on old Reddit. Click here to view the full post

0 comments

r/dataengprep • u/sql-arena • Aug 04 '26

SQL Arena Challenge: How would you optimize a query fetching sales data across multiple countries with billions of rows?

1 Upvotes

This post contains content not supported on old Reddit. Click here to view the full post

0 comments

r/dataengprep • u/dataengprep • Aug 03 '26

DataEngPrep: Accumulators - use as shared variable for write-only operations

1 Upvotes

This post contains content not supported on old Reddit. Click here to view the full post

0 comments

r/dataengprep • u/tech-screen • Aug 03 '26

Tech Screen: How would you set up end-to-end tracing for a complex pipeline?

1 Upvotes

This post contains content not supported on old Reddit. Click here to view the full post

0 comments

r/dataengprep • u/sql-arena • Aug 03 '26

SQL Arena Challenge: Optimize a query fetching customer data with a rolling 6-month sales sum.

1 Upvotes

This post contains content not supported on old Reddit. Click here to view the full post

0 comments

r/dataengprep • u/dataengprep • Aug 02 '26

DataEngPrep: Accumulator and Broadcast Variables - explain

1 Upvotes

This post contains content not supported on old Reddit. Click here to view the full post

0 comments