The disclosure and claims herein are directed to efficient journaling for recovery of a database index by journaling zones of a page. A journal mechanism maintains a page zone bit map that includes a bit for a plurality of zones in each page to indicate which zones have had their unchanged image journaled...http://www.google.fr/patents/US8200627?utm_source=gb-gplus-shareBrevet US8200627 - Journaling database changes using a bit map for zones defined in each page
Journaling database changes using a bit map for zones defined in each page
