> For the complete documentation index, see [llms.txt](https://dbi-services.gitbook.io/omrun-help/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://dbi-services.gitbook.io/omrun-help/version-4.x/readme/features/facts.md).

# Facts

### Data adaptors

Query data for comparing any databases or files like Excel, XML or PDF with the prepared [Data Adaptor](/omrun-help/version-4.x/configuration/data-adaptor.md).

### Data mapping

Can be mapped directly from the IT and Business specifications to OMrun.

### Test case reusability

OMrun administers all test cases and provides any reuse in a simple and easy way.

### Error analysis

Failure analysis on data field level enables precise, effective and time-saving troubleshooting.

### Test environments

Heterogeneous test environments - OMrun can be switched within seconds between any predefined environment.

### Ensure audits

Audit is guaranteed - automatic archiving of all tests (including comfortable and variable export opportunities) guarantees the ability to audit your processes.