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发布时间：2019-04-29 13:30:57
your database is running in archivelog mode.which two statements are true in this scenario?b) the database must be in mount state to take consistent rman backups.d) the database instance must be shut down to take a user-managed consistent backup.answer：bd......
发布时间：2019-04-29 10:14:11
which three statements are true about oracle checkpoint processing?b) frequent thread checkpoints can degrade database performance.d) it reduces the recovery time from instance failures.answer：bcd......
发布时间：2019-04-29 09:27:26
your database is configured for archivelog mode, and a daily full database backup is taken.in which three scenarios do you need media recovery?b) abnormal termination of the database instanced) loss of a data file that belongs to the active undo tablespacef) loss of all the copies .........
发布时间：2019-04-28 14:52:09
which three statements are true about oracle data pump?b) impdp can be used to change target data file names, schemas, and tablespaces during import.d) expdp and impdp are the client components of oracle data pump.answer：bcd......
发布时间：2019-04-28 13:56:34
examine this command executed on a client that is remote from the database server.which two are required for this command to connect the sqlplus client to a database instance?b) an orcl tns entry must be defined in the client-side tnsnames.ora file.d) the service name orcl must be defi.........