With qUtopic.xll you can connect your spreadsheet to any database via ODBC using functions. That includes SQL Azure™, which is SQL in the cloud, Oracle®, MySQL™, MS Access®, and website data in many formats. We are continuously developing our product to easily include all popular sources.
You can request data from multiple data sources in a single spreadsheet as long you know your connections string and have the adequate clearance. No need to create a connection file.