docs: enhance permission table

Author: tianzhou

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

@@ -12,12 +12,17 @@ Database permission controls individual users' or groups' actions within the dat
 | Workspace Admin   | ✅      | ✅    | ✅     | ✅           | ✅  | ✅    |
 | Workspace DBA     | ✅      | ✅    | ✅     | ✅           | ✅  | ✅    |
 | Project Owner     | ✅      | ✅    | ✅     | ✅           | ✅  |       |
-| Project Developer |         |       |        | ✅           | ✅  |       |
+| Project Developer |         |       |        | \*           | \*  |       |
 | Project Querier   | ✅      | ✅    |        |              |     |       |
 | Project Exporter  |         |       | ✅     |              |     |       |
 | Project Releaser  |         |       |        |              |     |       |
 | Project Viewer    |         |       |        |              |     |       |
 
+\* _Project Developers can't execute DML and DDL directly in SQL Editor. On the other hand, they can
+request DML/DDL change by creating an [issue](/docs/concepts/data-model/#issue)_.
+
+---
+
 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.
 
 <IncludeBlock url="/docs/share/database-permission-table"></IncludeBlock>

content/docs/share/database-permission-table.md

@@ -5,4 +5,5 @@
 |                                                                                                       | Export       | `databases.export`       |
 | Write (subject to [execution mode](/docs/administration/environment-policy/overview/#execution-mode)) | Mutation DML | `databases.queryDML`     |
 |                                                                                                       | DDL          | `databases.queryDDL`     |
+| Request change for review                                                                             | Create Issue | `issues.create`          |
 | [Admin](/docs/sql-editor/admin-mode/)                                                                 | Admin        | `instances.adminExecute` |