So cool, I didn't realize how deep the JSON and XML functionality out of the box were. So much better than the support that Mysql or most others have. Thanks fo

So cool, I didn't realize how deep the JSON and XML functionality out of the box were. So much better than the support that Mysql or most others have. Thanks for sharing! Also, when do you find yourself using Arrays in a database? (instead of, say, a one-to-many FK table).