With the release of Oracle 11gR1 and Oracle 11 gR2, new features are introduced leading to considerable improvements in manageability, administration, performance, security, and integration with EM. Manageability and administration enhancements are related to DRA and Virtual catalogs. Performance-related improvements are related to enhanced compression, backup of sections of datafile, and fast database cloning without a backup. Security is improved with new encryption algorithms.
The new features of Oracle Database 11g Release 1 are as follows.
The Data Recovery Advisor (DRA) is a new tool aimed at reducing a user's time spent analyzing and formulating a suitable recovery plan for a given failure. A failure in the context of the DRA can be a missing, inaccessible, or a wrong version of a file (such as control file, datafile), physical corruptions resulting from I/O errors, or logical block inconsistency. After identifying...