单项选择题
A. They execute and create a virtual catalog for pre-Oracle 11g clients.
B. They produce an error because PROD1 and PROD2 databases belong to the older version.
C. They produce an error because you need to connect as CATOWNER to execute this packaged procedure.
D. They produce an error because you need to connect to the target database to execute this packaged procedure.
多项选择题 Which two statements are true regarding hot patching? （）
单项选择题 View the Exhibit that sets the threshold for the Current Open Cursors Count metric.Why is the Significance Level threshold type not available in the threshold setting?（）
单项选择题 You performed the RMAN database backup having a backupset key number 231 with the KEEP FOREVER option. After some days, you want to change the status of the database backup and you issued the following command: RMAN>CHANGE BACKUPSET 231 NOKEEP; What is the implication of this command?（）
