# Facts ### Data adaptors Query data for comparing any databases or files like Excel, XML or PDF with the prepared [data-adaptor](https://dbi-services.gitbook.io/omrun-help/version-4.x/configuration/data-adaptor "mention"). ### 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. --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://dbi-services.gitbook.io/omrun-help/version-4.x/readme/features/facts.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.