A method and software for change data capture are disclosed, in which change data is extracted from a recovery log and stored in a database object. The change data indicates what modification has been performed to a source object on the OLTP system. In some embodiments of the present invention, a database...http://www.google.de/patents/US7657576?utm_source=gb-gplus-sharePatent US7657576 - Asynchronous change capture for data warehousing
