What four data protection components have been enhanced in Oracle database 10g release 2
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Flashback
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Data guard
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ASM
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Tivoli data protection
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Flash recovery.
Oracle 10g Release 2 enhanced Flashback technology, Data Guard for disaster recovery, ASM for storage management, and introduced Flash Recovery Area (now Fast Recovery Area). Tivoli Data Protection is an IBM product, not an Oracle component. These four native Oracle features were significantly improved in that release.
Oracle Database 10g Release 2 enhanced Flashback technology (more flashback options), Data Guard (improved standby database features), Automatic Storage Management (ASM), and Flash Recovery Area for backup/recovery. Tivoli is IBM's storage management product family, unrelated to Oracle's own built-in data-protection feature set.