the MySQLi extension is currently in beta, and is not yet released.
it is not included in your previous purchases.
the mySQL extension will include versions of the Core Dreamweaver server behaviors for recordsets, insert, update, delete, and user authentication that are upgraded to use MySQLi.
The Recordset dialog will contain an advanced Query Builder. And there will also be a Data Modeler.
After the mYSQLi extension is released, we will be working on Upgrading Data Bridge to use MySQLi also.