Database and Datawarehouse concepts

Complete understanding of Database and Data Warehouse fundamentals

Covers DBMS concepts: normalization, indexing, transactions, ACID properties

Deep dive into SQL architecture and query optimization basics

Data Warehouse concepts: OLTP vs OLAP, star & snowflake schema

ETL pipeline understanding and data modeling techniques

Real-world examples from analytics and data engineering systems

Helps build strong foundation for Data Engineering interviews

Focus on practical understanding, not just theory

Ideal for freshers and professionals switching to data roles