You issue the following command： RMAN>CONFIGURE BACKUP OPTIMIZATION ON； What is the result of this command on your backups？（） An incremental backup strategy will be used automatically.。 Read-only datafiles will not be backed up as long as backups of those files already exist and those backups meet established retention criteria.。 RMAN will configure itself for maximum performance at the cost of CPU.。 RMAN will configure itself for minimal OS/CPU impact at the cost of time to back up the database.。 RMAN will automatically compress backups.。
On Monday， you dropped the DEPT table from your schema and then you re-created the DEPT table in your schema. On Wednesday， you have a requirement to restore the DEPT table from the recycle bin. Which statement is correct？（） You can restore the DEPT table by using the Oracle Flashback Drop feature， provided you use the RENAME TO clause.。 You can restore the DEPT table by using the Oracle Flashback Drop feature and a system-generated name will be assigned to the restored table.。 You cannot restore the DEPT table by using the Oracle Flashback Drop feature because a table with the name DEPT already exists in your schema.。 You cannot restore the DEPT table by using the Oracle Flashback Drop feature because the contents of the recycle bin are purged every 12 hours by default.。
拉底
What is the maximum number of small form factor (SFF) SAS drives supported by the IBM SystemStorage DS8800 storage enclosure?（） 12 。 16 。 20 。 24。
电力系统组成的五个环节，即：发电→输电→（）→（）→用电。
In Oracle 11g, which recommendations does the SQL Access Advisor generate? （）(Choose all that apply.)
