🏢 Data Warehousing Overview

📌 A data warehouse is a central repository for integrated data designed to support decision-making by consolidating and analyzing large volumes of data from various sources over time.

🧩 Key System Requirements for a Data Warehouse:

🔐 DW system must be acceptable to regulators and business community
✔️ Data warehouses often store sensitive and strategic business data. Regulatory compliance (e.g., GDPR, HIPAA) is critical.

🛡️ DW system must be secure bastion that protects the information
✔️ Security is essential as DW holds large volumes of valuable data.

🔄 DW system must be adaptive to change
✔️ Business requirements evolve, so a DW should be flexible enough to accommodate new data sources and business logic.