Data Modeling & Warehousing Fundamentals
Stop writing SQL into a void. Learn how the warehouse should be shaped so that every dashboard query is fast, every metric is consistent, and every model survives the next product change. Star schemas, slowly changing dimensions, columnar storage, partitioning, and 6 hands-on modeling case studies drawn from real e-commerce and SaaS shops. Built for the Topfolio Data Engineer track (Phase 1).
3 weeks
4 modules, 32 lessons
3
~7 hours
100% Free Structured Micro Course
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Course Curriculum
Foundations: Why Models MatterFREE PREVIEW
OLTP vs OLAP, normalization 101, the cost of bad models, and the layered architecture (source → staging → marts) every modern warehouse uses. The 'why' before the 'how'.
Dimensional Modeling in PracticeFREE PREVIEW
Master star schemas, fact grain, conformed dimensions, and SCDs through theory and hands-on portfolio submissions.
Modern Warehouse Engines & PerformanceFREE PREVIEW
Columnar storage, BigQuery partitioning and clustering, One Big Table (OBT) refactoring, and surrogate key strategy.
Production Capstone: Enterprise MigrationFREE PREVIEW
Synthesize the full curriculum into an end-to-end production warehouse migration project. Build the raw, staging, and dimensional mart schemas for a fast-growing fintech startup.
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All videos, lessons, and practice exercises are 100% free with zero gatekeeping. Start learning immediately, or enroll with the ₹99 Verified Certificate Pass.