diff --git a/.samples/variants.json b/.samples/variants.json
index 30ea5dd..4d80918 100644
--- a/.samples/variants.json
+++ b/.samples/variants.json
@@ -53,5 +53,15 @@
       "-N ST -P DotNetSolutionKit.Samples -S Orders -M false --GitHubCiCd true --Vault true --Messaging outbox --Audit true --DiffApi true",
       "-N ST -P DotNetSolutionKit.Samples -S Billing --Vault true --Messaging outbox --Audit true --DiffApi true"
     ]
+  },
+  {
+    "branch": "preview-mssql",
+    "ref": "master",
+    "onDemand": true,
+    "about": "SQL Server instead of PostgreSQL, with the bus, the audit journal, feature flags and the API diff; generated on demand with preview, from the branch of the template under review.",
+    "generate": [
+      "-N ST -P DotNetSolutionKit.Samples -S Orders -M false --GitHubCiCd true --Database mssql --Messaging outbox --Audit true --FeatureFlags true --DiffApi true",
+      "-N ST -P DotNetSolutionKit.Samples -S Billing --Database mssql --Messaging outbox --Audit true --FeatureFlags true --DiffApi true"
+    ]
   }
 ]