docs: update database permission

Author: tianzhou

content/docs/security/database-permission/overview.md

@@ -7,16 +7,16 @@ feature_name: DATABASE_PERMISSION
 
 Database permission controls individual users' or groups' actions within the database. Below shows the built-in roles' database permissions.
 
-| Role              | Query | Export | EXPLAIN |
-| ----------------- | ----- | ------ | ------- |
-| Workspace Admin   | ✅    | ✅     | ✅      |
-| Workspace DBA     | ✅    | ✅     | ✅      |
-| Project Owner     | ✅    | ✅     | ✅      |
-| Project Developer |       |        |         |
-| Project Querier   | ✅    |        |         |
-| Project Exporter  |       | ✅     |         |
-| Project Releaser  |       |        |         |
-| Project Viewer    |       |        |         |
+| Role              | EXPLAIN | Query | Export | Data-modifying DML | DDL | Admin |
+| ----------------- | ------- | ----- | ------ | ------------------ | --- | ----- |
+| Workspace Admin   | ✅      | ✅    | ✅     | ✅                 | ✅  | ✅    |
+| Workspace DBA     | ✅      | ✅    | ✅     | ✅                 | ✅  | ✅    |
+| Project Owner     | ✅      | ✅    | ✅     | ✅                 | ✅  | ✅    |
+| Project Developer |         |       |        | ✅                 | ✅  | ✅    |
+| Project Querier   |         | ✅    |        |                    |     |       |
+| Project Exporter  |         |       | ✅     |                    |     |       |
+| Project Releaser  |         |       |        |                    |     |       |
+| Project Viewer    |         |       |        |                    |     |       |
 
 You can also pick out specific permissions to build [custom roles](/docs/administration/custom-roles/). e.g. create a custom role that grants only the [EXPLAIN](/docs/security/database-permission/explain/) permission.