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Data Warehouse
Definition
A central place where business data from many systems is collected for reporting and analysis.
In Plain English
A data warehouse is like a central archive for all departments' records.
Real-World Example
Sales, product, and marketing data may flow into a warehouse for executive dashboards.
Why It Matters for Your Work
Warehouses make cross-system reporting possible, but they require data cleanup and governance.
Common Mistake
Expecting a warehouse to fix messy source data automatically.
Related Terms
View Database
Database
Organized storage for application information that can be searched and updated.
View ETL
ETL
Extract, transform, load: moving data from one place, cleaning it, and putting it somewhere useful.