372.Which command do you use to generate a report of database incarnations?

A. list incarnation of database

B. report incarnation of database

C. list database incarnation

D. database incarnation list

E. report database incarnation

Answer: A

RMAN> list incarnation of database;

使用目标数据库控制文件替代恢复目录

数据库原型列表

DB 关键字  Inc 关键字 DB 名  DB ID            STATUS  重置 SCN  重置时间

------- ------- -------- ---------------- --- ---------- ----------

1       1       COW      1881841810       PARENT  1          03-11月-11

2       2       COW      1881841810       CURRENT 994063     06-1月 -13

RMAN> report incarnation 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 "incarnation": 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 database incarnation;

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> database incarnation list;

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: "advise, allocate, alter, backup, @, catalog, change, configure, connect, convert, copy, create, crosscheck, delete

, drop, duplicate, exit, flashback, grant, host, import, list, mount, open, print, quit, recover, register, release, repair, replace, report, reset, restore, re

sync, revoke, run, send, set, show, shutdown, spool, sql, startup, switch, transport, unregister, upgrade, validate, {, " 中的一个

RMAN-01007: 在第 1 行第 1 列, 文件: standard input

RMAN> report database incarnation;

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