| Data Warehouse | Data Lake |
| Data is relational from transactional systems and operational databases. | Data is both non-relational and relational from various sources such as IoT devices, mobile apps, websites, and social media. |
| Provides fastest query results at high cost of storage. | Provides faster query results at low storage cost. |
| Used by Business analysts. | Used by Data scientists, Data developers, and Business analysts. |
| Helps in Batch reporting, BI and visualizations | Helps to perform various analytics such as Machine Learning, Predictive analytics, data discovery and profiling |
