单项选择题
A. Both the sessions will be killed， and no new sessions will be created using the SYSDBA or SYSOPER privilege.
B. Both the sessions will remain active， but no new sessions will be created using the SYSDBA or SYSOPER privilege.
C.Both the sessions will be killed， but new sessions will be created using the SYSDBA or SYSOPER privilege when the database restarts.
D. The database will crash， and no new sessions will be created using the SYSDBA or SYSOPER privilege when the database restarts.
单项选择题 You are a Database Administrator with WonderWeb. You use a password file to establish connections to the Sales database located on the server. You created the password file using the following command： ORAPWD file=d：\oracle\ora9i\orapwU01 password=admin entries=4 You erroneously deleted the password file while the database was running. You re-create the password file using the following command： ORAPWD file=d：\oracle\ora9i\orapwU01 password=change_on_install entries=4 However， when you try to connect as the SYS user， you receive the following error： ORA-01031： insufficient privileges What should you do to resolve this error？（）
单项选择题 Yourdatabasecontainsatemporarytablespace，indextablespace，undotablespace，andaread-onlytablespaceapartfromtheSYSTEMandSYSAUXtablespaces.Ifamediafailureoccursresultinginthelossofanyofthesetablespaces，whichtablespaceisNOTrequiredforthedatabasetostart？（）
单项选择题 Your database is in ARCHIVELOG mode. You have two online redo log groups each of which contains one redo member. When you attempt to start the database， you receive the following errors： ORA-00313： open failed for members of log group 1 of thread 1 ORA-00312： online log 1 thread 1： ’D：\REDO01.LOG’ You discover that the online redo log file of the current redo group is corrupted. Which statement should you use to resolve this issue？（）