Oracle 视图 V$RECOVER_FILE 官方解释，作用，如何使用详细说明-云搜网

本视图显示进行数据库恢复所需的文件，它集中了数据库文件名、文件ID号、恢复锁定状态和所属的数据库。

使用：

1、查看需要恢复的文件：

SELECT file#, file_name, online_status
FROM V$recover_file
where online_status= ‘OFFLINE’;

2、查看需要恢复的数据库：

SELECT file#, file_name, online_status, across_db_name
FROM V$recover_file
WHERE online_status=’OFFLINE’
AND across_db_name IS NOT NULL;

V$RECOVER_FILE displays the status of files needing media recovery.

Column	Datatype	Description
`FILE#`	`NUMBER`	File identifier number
`ONLINE`	`VARCHAR2(7)`	This column is obsolete and maintained for backward compatibility. The value of this column is always equal to the value in `ONLINE_STATUS`.
`ONLINE_STATUS`	`VARCHAR2(7)`	Online status (`ONLINE`, `OFFLINE`)
`ERROR`	`VARCHAR2(18)`	Why the file must be recovered: NULL if reason unknown, or `OFFLINE NORMAL` if recovery not needed
`CHANGE#`	`NUMBER`	SCN where recovery must start
`TIME`	`DATE`	Time of SCN when recovery must start
`CON_ID`	`NUMBER`	The ID of the container to which the data pertains. Possible values include: `0`: This value is used for rows containing data that pertain to the entire CDB. This value is also used for rows in non-CDBs. `1`: This value is used for rows containing data that pertain to only the root n: Where n is the applicable container ID for the rows containing data

Oracle 视图 V$RECOVER_FILE 官方解释，作用，如何使用详细说明