ehrQL examples

Danger

This page discusses the new OpenSAFELY Data Builder for accessing OpenSAFELY data sources.

Use OpenSAFELY cohort-extractor, unless you are specifically involved in the development or testing of Data Builder.

OpenSAFELY Data Builder and its documentation are still undergoing extensive development. We will announce when Data Builder is ready for general use on the Platform News page.

This page will give examples of common uses of ehrQL and explain them briefly. This is in addition to the existing ehrQL tutorial.

TO BE REPLACED IN FULL DOCS BUILD

This snippet will be replaced in the main docs with the parent file 'includes/glossary.md'