ORA-56934: database property DST_UPGRADE_STATE for datapump job is in an inconsistent state
Cause: Database property DST_UPRGRADE_STATE was not recorded correctly.
Action: Check the alert file.
ORA-56934是一个由datapump作业导致的数据库错误，它表明一个状态不一致的情况。
1. 执行alter system set dst_upgrade_state=compliant scope=both;语句，来设置正确的状态。
2. 确保数据库正确设置了夏令时（DST）属性
3. 重新尝试启动datapump job