The resource summary data is spread around through many tables.
The best way to find any "piece" of information you want is to go into resource manager, go to view the inventory data, and find your specific information in those fields. The tree on the left is named the same way the tables are named in the DB for that specific type of inventory data. You can then query against those tables and pull the data you want.
If that isn't enough to get you going, let us know what types of information you're looking for and we'll help. Just remember that the summary is just that - a summary, pulling from several tables, not one.