By default, database server connections are always to the DEFAULT version. To change which version of a geodatabase you are connected to, you will use the Change Version dialog box. If you were to close ArcMap, the next time you started ArcMap and connected to the geodatabase through the database server node, you would again be connected to the DEFAULT version. To save your connection to a specific version, you can save a spatial database connection to this version. This creates a connection file under the Database Connections node in the Catalog tree. Database connections save the connection properties you assign until you change them. That.
