Found this
https://developers.google.com/apps-script/guides/jdbc#reading_from_a_database
Open a Google spreadsheet click Tools->Script Manager create a new script and paste. Change host, instance (Schema), user and password and put some SQL in and you are done Googles end. Then you need to enable your server to let in Googles servers. There may be a more secure way than this using netmasks but this worked for me.
Create users with ip ranges of Googles servers to keep out the nasties.
When you run foo it copies data into the root of the spreadsheet.
