修改RMAN list命令输出的时间格式

根据需要，修改rman list命令输出结果的时间显示

$ rman target / 

Recovery Manager: Release 11.2.0.4. - Production on Wed Jul  :: 

Copyright (c) , , Oracle and/or its affiliates.  All rights reserved.

connected to target database: YB1 (DBID=)

RMAN> list backup;

using target database control file instead of recovery catalog

List of Backup Sets
===================

BS Key  Type LV Size       Device Type Elapsed Time Completion Time
------- ---- -- ---------- ----------- ------------ --------------------
      Full    2.25M      DISK        ::     -JUL- ::
        BP Key:    Status: AVAILABLE  Compressed: NO  Tag: TAG20150701T141217
        Piece Name: /u01/app/oracle/fast_recovery_area/YB1/backupset/2015_07_01/o1_mf_nnndf_TAG20150701T141217_bs7161sd_.bkp
  List of Datafiles in backup set
  File LV Type Ckp SCN    Ckp Time             Name
  ---- -- ---- ---------- -------------------- ----
         Full     -JUL- :: /u01/app/oracle/oradata/yb1/undotbs01.dbf

RMAN> 

通过设置参数NLS_DATE_FORMAT的来设置时间格式：

$ export NLS_DATE_FORMAT='YYYY-MM-DD HH24:MI:SS'
$ rman target / 

Recovery Manager: Release 11.2.0.4. - Production on Wed Jul  :: 

Copyright (c) , , Oracle and/or its affiliates.  All rights reserved.

connected to target database: YB1 (DBID=)

RMAN> list backup;

using target database control file instead of recovery catalog

List of Backup Sets
===================

BS Key  Type LV Size       Device Type Elapsed Time Completion Time
------- ---- -- ---------- ----------- ------------ -------------------
      Full    2.25M      DISK        ::     -- ::
        BP Key:    Status: AVAILABLE  Compressed: NO  Tag: TAG20150701T141217
        Piece Name: /u01/app/oracle/fast_recovery_area/YB1/backupset/2015_07_01/o1_mf_nnndf_TAG20150701T141217_bs7161sd_.bkp
  List of Datafiles in backup set
  File LV Type Ckp SCN    Ckp Time            Name
  ---- -- ---- ---------- ------------------- ----
         Full     -- :: /u01/app/oracle/oradata/yb1/undotbs01.dbf

RMAN>