diff --git a/sql/schema.sql b/sql/schema.sql
index 76a1c6e..58150b5 100644
--- a/sql/schema.sql
+++ b/sql/schema.sql
@@ -35,3 +35,22 @@ ADD COLUMN node_id TEXT REFERENCES cpe_nodes(id);
 CREATE INDEX IF NOT EXISTS idx_cpe_matches_node
 ON cpe_matches(node_id);
 -- Conditions expressed as AND, OR and negate are deliberately NOT converted into independent vulnerability assertions.
+
+-- Preserve original Red Hat CSAF product IDs, relationships and status rules.
+CREATE TABLE IF NOT EXISTS redhat_advisories (
+  id TEXT PRIMARY KEY,
+  title TEXT,
+  initial_release_date TEXT,
+  current_release_date TEXT,
+  product_tree_json TEXT NOT NULL
+);
+CREATE TABLE IF NOT EXISTS redhat_advisory_cves (
+  id TEXT PRIMARY KEY,
+  advisory_id TEXT NOT NULL REFERENCES redhat_advisories(id) ON DELETE CASCADE,
+  cve_id TEXT NOT NULL REFERENCES vulnerabilities(id) ON DELETE CASCADE,
+  product_status_json TEXT NOT NULL,
+  remediations_json TEXT NOT NULL,
+  UNIQUE(advisory_id,cve_id)
+);
+CREATE INDEX IF NOT EXISTS idx_redhat_advisory_cves_cve
+  ON redhat_advisory_cves(cve_id);