I know in Oracle you can use DBA_TAB_COLUMNS (or ALL_TAB_COLUMNS). My SQL Server knowledge is very rusty, but can't you use the INFORMATION_SCHEMA.COLUMNS view?

We have an ancient AS/400 730 system that still houses some old budget/financial data. We'd like to decommission this box, and migrate the data to a SQL server. The data won't be modified or changed ...