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SQL, Data Warehousing & Modeling

The foundational backbone every data certification and job interview assumes you already know. Master complex T-SQL under pressure, 1NF–3NF normalization, star schemas, Slowly Changing Dimensions (SCD), and ETL design across 5 production scenarios and 2 capstones.

Overview
Master core relational database engineering and dimensional modeling. Learn to query messy transactional data under pressure, design scalable star schemas, track historical data changes, and write production-grade stored procedures.

Key Highlights
Duration: 6 Weeks (Live instructor-led weekday sessions)
Real Projects: 5 Warehouse design scenarios + 2 Shipped Capstones
Core Focus: Advanced SQL, Data Modeling & ETL Design
Hands-on Practice: Applied query labs every session on real database schemas
Industry Mentorship: Guest lectures from working data professionals every weekend

SQL Fundamentals & Advanced Queries (W1): Joins, aggregations, subqueries, and analytical window functions under pressure.
Warehouse & Star Schema Design (W2–3): Normalization (1NF to 3NF), de-normalization, and fact vs. dimension modeling.
Slowly Changing Dimensions (W4): Implementation and trade-offs of SCD Type 1, Type 2, and Type 3 patterns.
ETL Design & Staging (W5): Staging architectures, transformation logic, and robust multi-source load strategies.
SQL Server & Delivery (W6): T-SQL stored procedures, execution efficiency, and reporting delivery.

Scenario Interview Prep: Problem-solving Q&A drawn directly from the 5 warehouse scenarios.
Live Whiteboard Mocks: Timed technical SQL query writing and schema design interview rounds.
Resume & Portfolio Building: Recruiter-ready GitHub repos with documented data models and ETL scripts.
Foundational Competence: Master the core SQL requirements needed for any data engineering or BI certification.
Ongoing Support: Lifetime doubt support and active alumni community access.

Lead Instructor
Sai Chand - BI Specialist & Trainer

Platform Expertise: Senior Data Professional specializing in enterprise SQL Server, relational database modeling, and dimensional warehouse architecture.
Hands-on Mentorship: Leads live applied query labs and guides you step-by-step through 5 production scenarios and 2 capstones.
Production Focus: Teaches query optimization under pressure, clean modeling design, and interview-clearing strategies.