文档解释
ORA-19637: BACKUPPIECECREATE requires file name when using DISK device
Cause: The session device is currently allocated to disk, and so a file name is required.
Action: Supply a file name and retry the operation.
ORA-19637: BACKUPPIECECREATE requires file name when using DISK device
Cause: The session device is currently allocated to disk, and so a file name is required.
Action: Supply a file name and retry the operation.