单项选择题
A. run { open script backup_database； run script backup_database }
B. run { engage script backup_database； }
C. run { run script backup_database； }
D. Run { execute script backup_database； }
E. The name backup_database is an invalid name for an RMAN script. Trying to run it from RMAN would result in an error.
多项选择题 Ifyoubackupadatabasewithoutconnectingtotherecoverycatalog，whichoperationswillcausetherecoverycatalogtobeupdated？（）
单项选择题 View the Exhibit for some of the current parameter settings. A user logs in to the HR schema and issues the following commands: SQL> CREATE TABLE emp (empno NUMBER(3), ename VARCHAR2(20), sal NUMBER(8,2)); SQL> INSERT INTO emp(empno,ename) VALUES(1,JAMES); At this moment, a second user also logs in to the HR schema and issues the following command: SQL> ALTER TABLE emp MODIFY sal NUMBER(10,2); What happens in the above scenario?（）
多项选择题 Identify two situations in which you can use Data Recovery Advisor for recovery. （）(Choose two.)