Discovery
Understand your warehouse in minutes.
Point Sema at your database and it reads every table, drafts a plain-English definition for each column, tags what's sensitive, and infers how everything joins — so nobody starts from a blank schema again.
Schema introspection
Tables, columns, types and keys read directly from your warehouse in seconds.
AI glossary
A drafted definition for every table and column, with sensitivity and lifecycle tags you confirm.
Relationship graph
Inferred joins with confidence scores — verify once and every future answer is correct.
app.semalayer.com
app.semalayer.com
