PostgreSQL Catalogs:
Table Attributes by Schema & Table

This is an example of a three level report with two variables, schema name and table name.
This report also shows fun with colors and tables.

Relation Type Key
	Table		View		Index		Sequence		Special

Schema: pg_catalog
	Table: pg_namespace
		Column Type Modifiers nspname name NOT NULL nspowner integer NOT NULL nspacl aclitem[]