2. The system of claim I above, wherein the transaction control system uses a write-ahead logging (WAL) protocol for recovery of the databases, such that records are stored in the log file before the modified objects are allowed to replace previous versions thereof in the database. ...
6. The computer implemented method of claim 1, wherein the recovery image is updated during runtime in response to replay of a savepoint log when replaying transaction logs of the second database, wherein the recovery image includes one or more data images and one or more log images, furthe...