333.Which command would you use to determine what database backups are currently available for restore?
A. list database backup;
B. report database backup;
C. list backup of database;
D. list summary backup;
E. report backup of database;
Answer: C你会用哪个命令，以确定哪些数据库备份目前可用于还原？
C:\Users\dell>rman target /
恢复管理器: Release 11.2.0.3.0 - Production on 星期日 7月 10 09:57:07 2016
Copyright (c) 1982, 2011, Oracle and/or its affiliates. All rights reserved.
已连接到目标数据库: COW (DBID=1881841810)
RMAN> list database backup;
RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-00558: 分析输入命令时出错
RMAN-01009: 语法错误: 找到 "database": 应为: "all, archivelog, backed, backuppiece, backupset, backup, completed, controlfilecopy, copy, datafilecopy, db_unique
_name, device, expired, failure, foreign, global, incarnation, like, proxy, recoverable, restore, script, tag" 中的一个
RMAN-01007: 在第 1 行第 6 列, 文件: standard input
RMAN> report database backup;
RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-00558: 分析输入命令时出错
RMAN-01009: 语法错误: 找到 "database": 应为: "device, need, obsolete, schema, unrecoverable" 中的一个
RMAN-01007: 在第 1 行第 8 列, 文件: standard input
RMAN> list backup of database;
使用目标数据库控制文件替代恢复目录
说明与资料档案库中的任何备份都不匹配
RMAN> list summary backup;
RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-00558: 分析输入命令时出错
RMAN-01009: 语法错误: 找到 "summary": 应为: "all, archivelog, backed, backuppiece, backupset, backup, completed, controlfilecopy, copy, datafilecopy, db_unique_
name, device, expired, failure, foreign, global, incarnation, like, proxy, recoverable, restore, script, tag" 中的一个
RMAN-01007: 在第 1 行第 6 列, 文件: standard input
RMAN> report backup of database;
RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-00558: 分析输入命令时出错
RMAN-01009: 语法错误: 找到 "backup": 应为: "device, need, obsolete, schema, unrecoverable" 中的一个
RMAN-01007: 在第 1 行第 8 列, 文件: standard input
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