查看rman中list backup对应的sql
select b.recid,a.tag,c.file#,b.incremental_level,d.name,a.handle from v$backup_piece a,v$backup_set b,v$backup_datafile c,v$datafile dwhere a.set_stamp=b.set_stamp and a.set_count=b.set_count and c.set_count=b.set_count and c.set_stamp=b.set_stamp an