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Can you describe a project where you handled large volumes of data?

SQLmedium0.4 min readPremium
Frequency
Low
Asked at 1 company
Category
487
questions in SQL
Difficulty Split
130E|271M|86H
in this category
Total Bank
1,863
across 7 categories
Asked at these companies
Wipro
Key Concepts Tested
partitionspark
Expert AnswerPremium
86 wordsInterview-ready
**Situation:** At [Company], we had to process 50TB daily from clickstream and events. **Task:** Deliver analytics within 2 hours of data arrival, with 99.9% SLA. **Action:** I designed a Spark pipeline with dynamic partitioning by user_id to reduce skew. Used Delta Lake for ACID and compaction. Tuned executor memory and shuffle partitions. Implemented incremental processing with watermark and dead-letter handling for bad records....
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