You could embed a Google Spreadsheet (http://googlesystem.blogspot.com/2006/11/major-update-in-goo...) and use Google Apps Script to feed it data from your database (http://code.google.com/googleapps/appsscript/service_spreads...).

Here's an example of how to connect a Google Spreadsheet to Neo4j running on Heroku (http://blog.neo4j.org/2011/12/neo4j-labs-heroku-neo4j-and-go...).