"This article shows you step by step how you may
migrate a SQL Server 2008 table to Postgres Plus. You can only
migrate tables and schemas but not database as a whole.
"With many database vendor products in the market and data
intensive applications using them, it is often required to port the
application to use the data or, migrate the data so that the
application can use it. Migration of data is therefore one of the
realities of the IT Industry. Some of the author's previous
articles on migration can be found at this link. You may find more
if you do a search on his blog site."