select owner,table_name,grantor,privilege from dba_tab_privs where grantee='SYSDB'; ---查看是否有read write权限//注意SYSDB大写 expdp bankdb/xxx directory='c:\app\yy' dumpfile=yy.dmp --- 应改为directory='yy' ORA-22929 无效或遗失的目录名称 注:目录名不能以数字开头,比如 20210101 、2021010...