RMAN具有非常丰富的命令，为这些命令服务的保留字有几十上百个，如allocate、rsync、show、backup等等。

在书写RMAN脚本时，需要特别小心不要用到保留字，否则会导致RMAN-01007错误

以TAG参数为例：

RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-00558: error encountered while parsing input commands
RMAN-01009: syntax error: found "backup": expecting one of: "double-quoted-string, equal, identifier, single-quoted-string"
RMAN-01007: at line 3 column 5 file: standard input

Starting backup at 13-NOV-08
using channel ORA_DISK_1
channel ORA_DISK_1: starting full datafile backupset
channel ORA_DISK_1: specifying datafile(s) in backupset
input datafile fno=00004 name=/opt/u01/oracle/oradata/mydb/users01.dbf
channel ORA_DISK_1: starting piece 1 at 13-NOV-08
channel ORA_DISK_1: finished piece 1 at 13-NOV-08
piece handle=/oracle/flash_recovery_area/MYDB/backupset/o1_mf_nnndf_BACKUP1_4kq7rcpv_.bkp tag=BACKUP1 comment=NONE
channel ORA_DISK_1: backup set complete, elapsed time: 00:00:01
Finished backup at 13-NOV-08

Starting Control File and SPFILE Autobackup at 13-NOV-08
piece handle=/oracle/flash_recovery_area/MYDB/autobackup/o1_mf_s_670678156_4kq7rfb5_.bkp comment=NONE
Finished Control File and SPFILE Autobackup at 13-NOV-08

RMAN>

Tags: rman, tag, 保留字

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