A.FAILD_LOGIN_ATTEMPTS
B.PASSWORD_LOCK_TIME
C.PASSWORD_GRACE_TIME
D.PASSWORD_LIFT_TIME

A.MAXIMI ZEPROTECTION
B.MAXIMI ZEPERFORMANCE
C.MAXIMI ZEAVAILABILITY
D.MAXIMI ZESTANDBY

A.索引基数高
B.插入率高
C.索引基数低
D.修改率高

A.USER_OBJECTS
B.USER_TEXT
C.USER_SOURCE
D.USER_DESC

A.MOUNT
B.NOMOUNT
C.READ ONLY
D.OPEN

A.此数据文件无法恢复
B.此数据文件会自动从SYSTEM自动备份中恢复
C.将此表卒间脱机、删除，然后通过跟踪文件重建
D.使用RMAN恢复这个数据文件

A.事务故障
B.系统故障
C.介质故障
D.网络故障

A.rollback
B.commit
C.help
D.update

A.OR
B.Not between
C.Not IN
D.Like

A.show log
B.print log
C.alert log
D.list log

A.listener.ora
B.lsnrctl.ora
C.sqlnet.ora
D.tnsnames.ora