Operational | Warehouse (DSS) |
| Application Oriented | Subject Oriented |
| Used to run business | Used to analyze business |
| Clerical User | Manager/Analyst |
| Detailed data | Summarized and refined |
| Current up to date | Snapshot data |
| Isolated Data | Integrated Data |
| Repetitive access by small transactions | Ad-hoc access using large queries |
| Read/Update access | Mostly read access (batch update) |
