Airtable databases are worth checking out. Currently you need to use Google Chrome or Firefox to use Airtable (i.e. Internet Explorer is not supported yet). Here is a quick database I created by importing a CSV file.
Here is another prototype I created. I took this data and imported it into this database table of information that I extracted from XBRL-based financial filings to the SEC. (Remember, you need to be using Chrome or Firefox to view this, Internet Explorer is not supported by Airtable yet).
There is an API interface!!! Unfortunately, no XML interface.
Another new tool is Domo.
Here is that database table embedded into this web page: