After creating a ColdFusion data source (see Creating or modifying a ColdFusion data source), you can use it to connect to the database in Dreamweaver.
Open any ColdFusion page in Dreamweaver, then open the Databases panel (Window > Databases). Your ColdFusion data sources should appear in the panel.
If the data sources do not appear, make sure you complete the checklist in the panel. Also make sure Dreamweaver knows where to find the ColdFusion data sources. In the Testing Server category of the Site Definition dialog box, specify the sites root folder on the computer running ColdFusion. For more information, see Specifying where dynamic pages can be processed.