单项选择题
A. 2 and 3
B. 1 and 3
C. 1 and 2
D. 1,2 and 3
单项选择题 You perform a backup using the following BACKUP command: RMAN> BACKUP AS COMPRESSED BACKUPSET DATABASE; Which statement is true of this command?()
单项选择题 Evaluate the following block of code: BEGIN DBMS_NETWORK_ACL_ADMIN.CREATE_ACL ( acl => ’mycompany-com-permissions.xml’, principal => ’ACCT_MGR’, is_grant => TRUE, privilege => ’connect’); DBMS_NETWORK_ACL_ADMIN.ASSIGN_ACL ( acl => ’mycompany-com-permissions.xml’, host => ’*.mycompany.com’); END; What is the outcome of the above code?()
单项选择题 You issue the following command on the RMAN prompt. REPORT NEED BACKUP DAYS 5; Which statement is true about executing this command?()