diff --git a/versioned_docs/version-3.12/features.mdx b/versioned_docs/version-3.12/features.mdx
index 22af482f..be79099d 100644
--- a/versioned_docs/version-3.12/features.mdx
+++ b/versioned_docs/version-3.12/features.mdx
@@ -10,12 +10,12 @@ displayed_sidebar: docsEnglish
 
 This document briefly explains which features are available in which editions of ScalarDB.
 
-|                                                                                                                                                                        | ScalarDB Core (Community) | ScalarDB Cluster (Enterprise Standard) | ScalarDB Cluster (Enterprise Premium)       | ScalarDB Analytics (Enterprise) |
-|------------------------------------------------------------------------------------------------------------------------------------------------------------------------|--------------------------|----------------------------------------|---------------------------------------------|---------------------------------|
-| [Transaction processing across databases with primitive interfaces](getting-started-with-scalardb.mdx)                  | ✅       | ✅                     | ✅                          | ❌                               |
-| [Clustering](scalardb-cluster/developer-guide-for-scalardb-cluster-with-java-api.mdx)          | ❌                         | ✅                     | ✅                          | ❌                                |
-| [Authentication/authorization](scalardb-cluster/scalardb-auth-with-sql.mdx)                                                  | ❌                         | ✅                     | ✅                          | ❌                                |
-| [SQL interface (SQL API, JDBC, Spring Data JDBC, and LINQ)](scalardb-sql/jdbc-guide.mdx)                                      | ❌                         | ❌                                       | ✅                          | ❌                                |
-| [GraphQL interface](scalardb-graphql/how-to-run-two-phase-commit-transaction.mdx)                                             | ❌                         | ❌                                       | ✅                          | ❌                                |
+|                                                                                                        | ScalarDB Core (Community) | ScalarDB Cluster (Enterprise Standard) | ScalarDB Cluster (Enterprise Premium) | ScalarDB Analytics (Enterprise) |
+|--------------------------------------------------------------------------------------------------------|---------------------------|----------------------------------------|---------------------------------------|---------------------------------|
+| [Transaction processing across databases with primitive interfaces](getting-started-with-scalardb.mdx) | ✅                        | ✅                                     | ✅                                    | ❌                              |
+| [Clustering](scalardb-cluster/developer-guide-for-scalardb-cluster-with-java-api.mdx)                  | ❌                        | ✅                                     | ✅                                    | ❌                              |
+| [Authentication/authorization](scalardb-cluster/scalardb-auth-with-sql.mdx)                            | ❌                        | ✅                                     | ✅                                    | ❌                              |
+| [SQL interface (SQL API, JDBC, Spring Data JDBC, and LINQ)](scalardb-sql/index.mdx)                    | ❌                        | ❌                                     | ✅                                    | ❌                              |
+| [GraphQL interface](scalardb-graphql/index.mdx)                                                        | ❌                        | ❌                                     | ✅                                    | ❌                              |
 
 \* This feature is not available in the Enterprise Premium edition. If you want to use this feature, please [contact us](https://www.scalar-labs.com/contact).
diff --git a/versioned_sidebars/version-3.12-sidebars.json b/versioned_sidebars/version-3.12-sidebars.json
index 6eac54a6..0cc93cc0 100644
--- a/versioned_sidebars/version-3.12-sidebars.json
+++ b/versioned_sidebars/version-3.12-sidebars.json
@@ -370,6 +370,11 @@
               "label": "SQL Interface",
               "collapsible": true,
               "items": [
+                {
+                  "type": "doc",
+                  "id": "scalardb-sql/index",
+                  "label": "Overview"
+                },
                 {
                   "type": "doc",
                   "id": "scalardb-sql/jdbc-guide",
@@ -402,6 +407,11 @@
               "label": "GraphQL Interface",
               "collapsible": true,
               "items": [
+                {
+                  "type": "doc",
+                  "id": "scalardb-graphql/index",
+                  "label": "Overview"
+                },
                 {
                   "type": "doc",
                   "id": "scalardb-graphql/how-to-run-two-phase-commit-transaction",