**Situation**: Marketing needed segment export in 2 days; proper dbt model would take 2 weeks. **Task**: Unblock business while managing technical debt. **Action**: Built one-off notebook with manual SQL; delivered in 2 days. Documented limitations; created ticket for productionized model; followed up with proper implementation. **Result**: Business unblocked; technical debt tracked and addressed....
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 Swiggy. The answer also includes follow-up discussion points that interviewers commonly explore.
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