simple-migrate.sql

--
-- Basic update for site URL, does not update hard-coded content URLs but 
-- should update properly generated permalinks and the basic site settings.
--
UPDATE  wp_options
SET option_value = REPLACE( option_value, 'http://www.oldhostname.com', 'http://www.newhostname.com' )
WHERE option_value LIKE 'http://%';