rman-数据文件丢失的恢复

1.假设删除ORAL2数据文件，模拟数据文件丢失

2.

startup mount;

report schema;

3.

sql "alter database datafile 6 offline";

4.

restore datafile 6

5.

recover datafile 6

6.

sql "alter database datafile 3 online";

7.

alter database open resetlogs;