backup as compressed backupset database INCLUDE CURRENT CONTROLFILE plus archivelog;

3.Drop表空间模拟故障

drop tablespace PITR_TBS including contents and datafiles;

查看想要恢复的表空间的所在备份位置：

4.查看控制文件备份

list backup of controlfile;

5.找到 pdbprod2 备份之后，最邻近的控制文件备份对应的 SCN

recover tablespace pdbprod2:PITR_TBS until scn 2887757 auxiliary destination '/u01/app/oracle';

此时已经有辅助实例在帮助恢复表空间

此时表空间已经恢复但是offline状态。

7.表空间online

alter tablespace PITR_TBS online;