In which two cases do file checkpoints guarantee that all dirty blocks for a tablespace are written to the tablespaces datafiles?

选择了： when a user tablespace is taken offline normal、when the sysaux tablespace is taken offline normal

选择了： when a user tablespace is taken offline normal、when a user tablespace is taken offline immediate、when the sysaux tablespace is taken offline temporary

选择了： when a user tablespace is taken offline normal、when a user tablespace is taken offline immediate

选择了： when a user tablespace is taken offline normal、when the sysaux tablespace is taken offline temporary

选择了： when the sysaux tablespace is taken offline normal、when a user tablespace is taken offline immediate、when the sysaux tablespace is taken offline temporary

选择了： when the sysaux tablespace is taken offline normal、when a user tablespace is taken offline immediate

选择了： when the sysaux tablespace is taken offline normal、when the sysaux tablespace is taken offline temporary

选择了： when a user tablespace is taken offline immediate、when the sysaux tablespace is taken offline temporary