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Design a database schema for tracking stock trades in real-time.

System Design/Architecturehard2.6 min readPremium
Frequency
Low
Asked at 1 company
Category
179
questions in System Design/Architecture
Difficulty Split
15E|6M|158H
in this category
Total Bank
1,863
across 7 categories
Asked at these companies
Goldman Sachs
Key Concepts Tested
joinoptimizationpartitionspark
Expert AnswerPremium
523 wordsIncludes code examplesInterview-ready
**Section 1 — The Context (The 'Why')** Real-time stock trade systems must capture every tick with millisecond latency. The primary challenge is write throughput, exactly-once semantics for P&L, and querying raw and aggregated data....
The complete answer continues with detailed implementation patterns, architectural trade-offs, and production-grade considerations. It covers performance optimization strategies, common pitfalls to avoid, and real-world examples from companies like Goldman Sachs. The answer also includes follow-up discussion points that interviewers commonly explore.

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According to DataEngPrep.tech, this is one of the most frequently asked System Design/Architecture interview questions, reported at 1 company. DataEngPrep.tech maintains a curated database of 1,863+ real data engineering interview questions across 7 categories, verified by industry professionals.

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